diff --git a/.gitignore b/.gitignore
index 286ea8088..80b5fe6d1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,4 @@ go.work.sum
 *~
 internal/cmd/build/*.sqlite*
 .claude
+doclink
diff --git a/internal/activity.go b/internal/activity.go
index d13e6c9df..89b0a1866 100644
--- a/internal/activity.go
+++ b/internal/activity.go
@@ -18,6 +18,7 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/activity.Type]
 	ActivityType struct {
+		// Name is the name of the activity type.
 		Name string
 	}
 
@@ -25,7 +26,9 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/activity.Info]
 	ActivityInfo struct {
+		// TaskToken is the token that identifies the activity task.
 		TaskToken    []byte
+		// WorkflowType is the type of the workflow that started this activity.
 		WorkflowType *WorkflowType
 		// Namespace of the workflow that started this activity. Empty if this activity was not started by a workflow.
 		// If present, the value is always the same as Namespace since workflows can only run activities in their own
@@ -36,19 +39,32 @@ type (
 		// Execution details of the workflow that started this activity. All fields are empty if this activity was not
 		// started by a workflow.
 		WorkflowExecution      WorkflowExecution
+		// ActivityID is the ID of the activity.
 		ActivityID             string
-		ActivityRunID          string // Run ID of the activity. Empty if the activity was started by a workflow.
+		// ActivityRunID is the run ID of the activity. Empty if the activity was started by a workflow.
+		ActivityRunID          string
+		// ActivityType is the type of the activity.
 		ActivityType           ActivityType
+		// TaskQueue is the name of the task queue that the activity needs to be scheduled on.
 		TaskQueue              string
-		Namespace              string        // Namespace of this activity.
-		HeartbeatTimeout       time.Duration // Maximum time between heartbeats. 0 means no heartbeat needed.
-		ScheduleToCloseTimeout time.Duration // Schedule to close timeout set by the activity options.
-		StartToCloseTimeout    time.Duration // Start to close timeout set by the activity options.
-		ScheduledTime          time.Time     // Time of activity scheduled by a workflow
-		StartedTime            time.Time     // Time of activity start
-		Deadline               time.Time     // Time of activity timeout
-		Attempt                int32         // Attempt starts from 1, and increased by 1 for every retry if retry policy is specified.
-		IsLocalActivity        bool          // true if it is a local activity
+		// Namespace is the namespace of this activity.
+		Namespace              string
+		// HeartbeatTimeout is the maximum time between heartbeats. 0 means no heartbeat needed.
+		HeartbeatTimeout       time.Duration
+		// ScheduleToCloseTimeout is the schedule to close timeout set by the activity options.
+		ScheduleToCloseTimeout time.Duration
+		// StartToCloseTimeout is the start to close timeout set by the activity options.
+		StartToCloseTimeout    time.Duration
+		// ScheduledTime is the time when the activity was scheduled by a workflow.
+		ScheduledTime          time.Time
+		// StartedTime is the time when the activity started.
+		StartedTime            time.Time
+		// Deadline is the time of activity timeout.
+		Deadline               time.Time
+		// Attempt starts from 1, and increased by 1 for every retry if retry policy is specified.
+		Attempt                int32
+		// IsLocalActivity is true if it is a local activity.
+		IsLocalActivity        bool
 		// Priority settings that control relative ordering of task processing when activity tasks are backed up in a queue.
 		// If no priority is set, the default value is the zero value.
 		//
@@ -73,6 +89,7 @@ type (
 		// ambiguity between string names and function references. Also users should
 		// always use this string name when executing this activity.
 		Name                          string
+		// DisableAlreadyRegisteredCheck disables the check for already registered activities.
 		DisableAlreadyRegisteredCheck bool
 
 		// When registering a struct with activities, skip functions that are not valid activities. If false,
diff --git a/internal/cmd/tools/doclink/doclink.go b/internal/cmd/tools/doclink/doclink.go
index ea57440b3..ec3a88b82 100644
--- a/internal/cmd/tools/doclink/doclink.go
+++ b/internal/cmd/tools/doclink/doclink.go
@@ -127,6 +127,11 @@ func run() error {
 			if err != nil {
 				return fmt.Errorf("error while parsing internal files: %v", err)
 			}
+
+			err = checkInternalDocs(path, file, publicToInternal)
+			if err != nil {
+				return fmt.Errorf("error while checking internal docs: %v", err)
+			}
 		}
 		return nil
 	})
@@ -587,3 +592,53 @@ func isValidDefinitionWithMatch(line, private string, inGroup string, insideStru
 	}
 	return false
 }
+
+func checkInternalDocs(path string, file *os.File, pairs map[string]map[string]string) error {
+	fs := token.NewFileSet()
+
+	// Reset file pointer to start
+	_, err := file.Seek(0, 0)
+	if err != nil {
+		return fmt.Errorf("failed to seek: %v", err)
+	}
+
+	node, err := parser.ParseFile(fs, path, file, parser.ParseComments)
+	if err != nil {
+		return fmt.Errorf("failed to parse file %s: %v", path, err)
+	}
+
+	exposedTypes := make(map[string]bool)
+	for _, pair := range pairs {
+		for _, private := range pair {
+			exposedTypes[private] = true
+		}
+	}
+
+	ast.Inspect(node, func(n ast.Node) bool {
+		if genDecl, ok := n.(*ast.GenDecl); ok && genDecl.Tok == token.TYPE {
+			for _, spec := range genDecl.Specs {
+				if typeSpec, ok := spec.(*ast.TypeSpec); ok {
+					if !exposedTypes[typeSpec.Name.Name] {
+						continue
+					}
+					if structType, ok := typeSpec.Type.(*ast.StructType); ok {
+						for _, field := range structType.Fields.List {
+							if len(field.Names) == 0 {
+								// Skip anonymous/embedded fields
+								continue
+							}
+							for _, name := range field.Names {
+								if ast.IsExported(name.Name) && field.Doc == nil {
+									changesNeeded = true
+									fmt.Printf("Missing doc for exposed struct %s field %s in %s\n", typeSpec.Name.Name, name.Name, path)
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		return true
+	})
+	return nil
+}
diff --git a/internal/error.go b/internal/error.go
index bfabb811d..8ee24009c 100644
--- a/internal/error.go
+++ b/internal/error.go
@@ -193,11 +193,17 @@ type (
 	// Exposed as: [go.temporal.io/sdk/workflow.ContinueAsNewError]
 	ContinueAsNewError struct {
 		// params *ExecuteWorkflowParams
+		// WorkflowType is the type of the workflow.
 		WorkflowType        *WorkflowType
+		// Input is the arguments for the continued workflow execution.
 		Input               *commonpb.Payloads
+		// Header is the header of the workflow.
 		Header              *commonpb.Header
+		// TaskQueueName is the task queue that the workflow is running on.
 		TaskQueueName       string
+		// WorkflowRunTimeout is the timeout for a single run of the workflow execution.
 		WorkflowRunTimeout  time.Duration
+		// WorkflowTaskTimeout is the maximum execution time of a single Workflow Task.
 		WorkflowTaskTimeout time.Duration
 
 		// Deprecated: WorkflowExecutionTimeout is deprecated and is never set or
diff --git a/internal/interceptor.go b/internal/interceptor.go
index dbccfb945..0fb383b5b 100644
--- a/internal/interceptor.go
+++ b/internal/interceptor.go
@@ -61,6 +61,7 @@ type ActivityInboundInterceptor interface {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ExecuteActivityInput]
 type ExecuteActivityInput struct {
+	// Args are the arguments of the activity.
 	Args []interface{}
 }
 
@@ -140,6 +141,7 @@ type WorkflowInboundInterceptor interface {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ExecuteWorkflowInput]
 type ExecuteWorkflowInput struct {
+	// Args are the arguments of the workflow.
 	Args []interface{}
 }
 
@@ -147,6 +149,7 @@ type ExecuteWorkflowInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.HandleSignalInput]
 type HandleSignalInput struct {
+	// SignalName is the name of the signal.
 	SignalName string
 	// Arg is the signal argument. It is presented as a primitive payload since
 	// the type needed for decode is not available at the time of interception.
@@ -157,7 +160,9 @@ type HandleSignalInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.UpdateInput]
 type UpdateInput struct {
+	// Name is the name of the update.
 	Name string
+	// Args are the arguments of the update.
 	Args []interface{}
 }
 
@@ -165,7 +170,9 @@ type UpdateInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.HandleQueryInput]
 type HandleQueryInput struct {
+	// QueryType is the type of the query.
 	QueryType string
+	// Args are the arguments of the query.
 	Args      []interface{}
 }
 
@@ -458,18 +465,27 @@ type ClientOutboundInterceptor interface {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientUpdateWorkflowInput]
 type ClientUpdateWorkflowInput struct {
+	// UpdateID is the ID of the update.
 	UpdateID            string
+	// WorkflowID is the ID of the workflow to send the update to.
 	WorkflowID          string
+	// UpdateName is the name of the update.
 	UpdateName          string
+	// Args are the arguments of the update.
 	Args                []interface{}
+	// RunID is the run ID of the target workflow execution.
 	RunID               string
+	// FirstExecutionRunID is the run ID of the first execution of the target workflow.
 	FirstExecutionRunID string
+	// WaitForStage is the stage to wait for.
 	WaitForStage        WorkflowUpdateStage
 }
 
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientUpdateWithStartWorkflowInput]
 type ClientUpdateWithStartWorkflowInput struct {
+	// UpdateOptions are the options for the update.
 	UpdateOptions          *UpdateWorkflowOptions
+	// StartWorkflowOperation is the operation to start the workflow.
 	StartWorkflowOperation WithStartWorkflowOperation
 }
 
@@ -493,6 +509,7 @@ type ClientPollWorkflowUpdateOutput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ScheduleClientCreateInput]
 type ScheduleClientCreateInput struct {
+	// Options are the options for creating the schedule.
 	Options *ScheduleOptions
 }
 
@@ -501,8 +518,11 @@ type ScheduleClientCreateInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientExecuteWorkflowInput]
 type ClientExecuteWorkflowInput struct {
+	// Options are the options for starting the workflow.
 	Options      *StartWorkflowOptions
+	// WorkflowType is the type of the workflow.
 	WorkflowType string
+	// Args are the arguments of the workflow.
 	Args         []interface{}
 }
 
@@ -511,9 +531,13 @@ type ClientExecuteWorkflowInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientSignalWorkflowInput]
 type ClientSignalWorkflowInput struct {
+	// WorkflowID is the ID of the workflow to signal.
 	WorkflowID string
+	// RunID is the run ID of the workflow to signal.
 	RunID      string
+	// SignalName is the name of the signal.
 	SignalName string
+	// Arg is the signal argument.
 	Arg        interface{}
 }
 
@@ -522,10 +546,15 @@ type ClientSignalWorkflowInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientSignalWithStartWorkflowInput]
 type ClientSignalWithStartWorkflowInput struct {
+	// SignalName is the name of the signal.
 	SignalName   string
+	// SignalArg is the signal argument.
 	SignalArg    interface{}
+	// Options are the options for starting the workflow.
 	Options      *StartWorkflowOptions
+	// WorkflowType is the type of the workflow.
 	WorkflowType string
+	// Args are the arguments of the workflow.
 	Args         []interface{}
 }
 
@@ -534,7 +563,9 @@ type ClientSignalWithStartWorkflowInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientCancelWorkflowInput]
 type ClientCancelWorkflowInput struct {
+	// WorkflowID is the ID of the workflow to cancel.
 	WorkflowID string
+	// RunID is the run ID of the workflow to cancel.
 	RunID      string
 }
 
@@ -543,9 +574,13 @@ type ClientCancelWorkflowInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientTerminateWorkflowInput]
 type ClientTerminateWorkflowInput struct {
+	// WorkflowID is the ID of the workflow to terminate.
 	WorkflowID string
+	// RunID is the run ID of the workflow to terminate.
 	RunID      string
+	// Reason is the reason for termination.
 	Reason     string
+	// Details are the details of termination.
 	Details    []interface{}
 }
 
@@ -554,10 +589,15 @@ type ClientTerminateWorkflowInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientQueryWorkflowInput]
 type ClientQueryWorkflowInput struct {
+	// WorkflowID is the ID of the workflow to query.
 	WorkflowID           string
+	// RunID is the run ID of the workflow to query.
 	RunID                string
+	// QueryType is the type of the query.
 	QueryType            string
+	// Args are the arguments of the query.
 	Args                 []interface{}
+	// QueryRejectCondition is the query reject condition.
 	QueryRejectCondition enumspb.QueryRejectCondition
 }
 
@@ -566,7 +606,9 @@ type ClientQueryWorkflowInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientDescribeWorkflowInput]
 type ClientDescribeWorkflowInput struct {
+	// WorkflowID is the ID of the workflow to describe.
 	WorkflowID string
+	// RunID is the run ID of the workflow to describe.
 	RunID      string
 }
 
@@ -575,6 +617,7 @@ type ClientDescribeWorkflowInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientDescribeWorkflowOutput]
 type ClientDescribeWorkflowOutput struct {
+	// Response is the response.
 	Response *WorkflowExecutionDescription
 }
 
@@ -585,8 +628,11 @@ type ClientDescribeWorkflowOutput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientExecuteActivityInput]
 type ClientExecuteActivityInput struct {
+	// Options are the options for starting the activity.
 	Options      *ClientStartActivityOptions
+	// ActivityType is the type of the activity.
 	ActivityType string
+	// Args are the arguments of the activity.
 	Args         []interface{}
 }
 
@@ -597,7 +643,9 @@ type ClientExecuteActivityInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientGetActivityHandleInput]
 type ClientGetActivityHandleInput struct {
+	// ActivityID is the ID of the activity.
 	ActivityID string
+	// RunID is the run ID of the activity to get the handle for.
 	RunID      string
 }
 
@@ -608,8 +656,11 @@ type ClientGetActivityHandleInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientCancelActivityInput]
 type ClientCancelActivityInput struct {
+	// ActivityID is the ID of the activity.
 	ActivityID string
+	// RunID is the run ID of the activity to cancel.
 	RunID      string
+	// Reason is the reason for cancellation.
 	Reason     string
 }
 
@@ -620,8 +671,11 @@ type ClientCancelActivityInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientTerminateActivityInput]
 type ClientTerminateActivityInput struct {
+	// ActivityID is the ID of the activity.
 	ActivityID string
+	// RunID is the run ID of the activity to terminate.
 	RunID      string
+	// Reason is the reason for termination.
 	Reason     string
 }
 
@@ -632,7 +686,9 @@ type ClientTerminateActivityInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientDescribeActivityInput]
 type ClientDescribeActivityInput struct {
+	// ActivityID is the ID of the activity.
 	ActivityID string
+	// RunID is the run ID of the activity to describe.
 	RunID      string
 }
 
@@ -643,6 +699,7 @@ type ClientDescribeActivityInput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientDescribeActivityOutput]
 type ClientDescribeActivityOutput struct {
+	// Description is the description of the activity.
 	Description *ClientActivityExecutionDescription
 }
 
@@ -653,7 +710,9 @@ type ClientDescribeActivityOutput struct {
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientPollActivityResultInput]
 type ClientPollActivityResultInput struct {
+	// ActivityID is the ID of the activity.
 	ActivityID string
+	// RunID is the run ID of the activity to poll results for.
 	RunID      string
 }
 
@@ -714,7 +773,9 @@ type NexusOperationOutboundInterceptor interface {
 //
 // Note: Experimental
 type NexusStartOperationInput struct {
+	// Input is the input to the operation.
 	Input   any
+	// Options are the options for starting the operation.
 	Options nexus.StartOperationOptions
 }
 
@@ -724,6 +785,8 @@ type NexusStartOperationInput struct {
 //
 // Note: Experimental
 type NexusCancelOperationInput struct {
+	// Token is the token for the operation to cancel.
 	Token   string
+	// Options are the options for cancelling the operation.
 	Options nexus.CancelOperationOptions
 }
diff --git a/internal/interceptor_base.go b/internal/interceptor_base.go
index c1ae31044..f43aef503 100644
--- a/internal/interceptor_base.go
+++ b/internal/interceptor_base.go
@@ -15,7 +15,9 @@ import (
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.InterceptorBase]
 type InterceptorBase struct {
+	// ClientInterceptorBase is the base implementation of ClientInterceptor.
 	ClientInterceptorBase
+	// WorkerInterceptorBase is the base implementation of WorkerInterceptor.
 	WorkerInterceptorBase
 }
 
@@ -57,6 +59,7 @@ func (*WorkerInterceptorBase) mustEmbedWorkerInterceptorBase() {}
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ActivityInboundInterceptorBase]
 type ActivityInboundInterceptorBase struct {
+	// Next is the next interceptor in the chain.
 	Next ActivityInboundInterceptor
 }
 
@@ -84,6 +87,7 @@ func (*ActivityInboundInterceptorBase) mustEmbedActivityInboundInterceptorBase()
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ActivityOutboundInterceptorBase]
 type ActivityOutboundInterceptorBase struct {
+	// Next is the next interceptor in the chain.
 	Next ActivityOutboundInterceptor
 }
 
@@ -142,6 +146,7 @@ func (*ActivityOutboundInterceptorBase) mustEmbedActivityOutboundInterceptorBase
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.WorkflowInboundInterceptorBase]
 type WorkflowInboundInterceptorBase struct {
+	// Next is the next interceptor in the chain.
 	Next WorkflowInboundInterceptor
 }
 
@@ -186,6 +191,7 @@ func (*WorkflowInboundInterceptorBase) mustEmbedWorkflowInboundInterceptorBase()
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.WorkflowOutboundInterceptorBase]
 type WorkflowOutboundInterceptorBase struct {
+	// Next is the next interceptor in the chain.
 	Next WorkflowOutboundInterceptor
 }
 
@@ -498,6 +504,7 @@ func (*ClientInterceptorBase) mustEmbedClientInterceptorBase() {}
 //
 // Exposed as: [go.temporal.io/sdk/interceptor.ClientOutboundInterceptorBase]
 type ClientOutboundInterceptorBase struct {
+	// Next is the next interceptor in the chain.
 	Next ClientOutboundInterceptor
 }
 
@@ -642,6 +649,7 @@ func (*ClientOutboundInterceptorBase) mustEmbedClientOutboundInterceptorBase() {
 //
 // Note: Experimental
 type NexusOperationInboundInterceptorBase struct {
+	// Next is the next interceptor in the chain.
 	Next NexusOperationInboundInterceptor
 }
 
@@ -670,6 +678,7 @@ var _ NexusOperationInboundInterceptor = &NexusOperationInboundInterceptorBase{}
 //
 // Note: Experimental
 type NexusOperationOutboundInterceptorBase struct {
+	// Next is the next interceptor in the chain.
 	Next NexusOperationOutboundInterceptor
 }
 
diff --git a/internal/plugin.go b/internal/plugin.go
index 4c57e9b56..405386060 100644
--- a/internal/plugin.go
+++ b/internal/plugin.go
@@ -305,8 +305,11 @@ type WorkerPluginReplayWorkflowOptions struct {
 	// All fields below are coalesced from overloads. No guarantees are made
 	// about their values.
 	Logger                log.Logger
+	// WorkflowServiceClient is the client used to communicate with the Temporal Server.
 	WorkflowServiceClient workflowservice.WorkflowServiceClient
+	// Namespace is the namespace for the replay.
 	Namespace             string
+	// OriginalExecution is the original workflow execution being replayed.
 	OriginalExecution     WorkflowExecution
 }
 
diff --git a/internal/resource_tuner.go b/internal/resource_tuner.go
index 34f199b38..3493b9101 100644
--- a/internal/resource_tuner.go
+++ b/internal/resource_tuner.go
@@ -32,6 +32,7 @@ type SysInfoProvider interface {
 //
 // Exposed as: [go.temporal.io/sdk/worker.SysInfoContext]
 type SysInfoContext struct {
+	// Logger is the logger to use for the SysInfoContext calls.
 	Logger log.Logger
 }
 
@@ -237,7 +238,7 @@ func (r *ResourceBasedSlotSupplier) SysInfoProvider() SysInfoProvider {
 
 // ResourceControllerOptions contains configurable parameters for a ResourceController.
 // It is recommended to use DefaultResourceControllerOptions to create a ResourceControllerOptions
-// and only modify the mem/cpu target percent fields.
+// and only modify the mem/CPU target percent fields.
 //
 // Exposed as: [go.temporal.io/sdk/worker.ResourceControllerOptions]
 type ResourceControllerOptions struct {
@@ -250,14 +251,22 @@ type ResourceControllerOptions struct {
 	// InfoSupplier is the supplier that the controller will use to get system resources.
 	InfoSupplier SysInfoProvider
 
+	// MemOutputThreshold is the memory output threshold limit.
 	MemOutputThreshold float64
+	// CpuOutputThreshold is the CPU output threshold limit.
 	CpuOutputThreshold float64
 
+	// MemPGain is the memory Proportional gain limit threshold.
 	MemPGain float64
+	// MemIGain is the memory Integral gain limit threshold.
 	MemIGain float64
+	// MemDGain is the memory Derivative gain limit threshold.
 	MemDGain float64
+	// CpuPGain is the CPU Proportional gain limit threshold.
 	CpuPGain float64
+	// CpuIGain is the CPU Integral gain limit threshold.
 	CpuIGain float64
+	// CpuDGain is the CPU Derivative gain limit threshold.
 	CpuDGain float64
 }
 
diff --git a/internal/session.go b/internal/session.go
index 264fc858d..02dcefdc4 100644
--- a/internal/session.go
+++ b/internal/session.go
@@ -22,8 +22,11 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/workflow.SessionInfo]
 	SessionInfo struct {
+		// SessionID is the unique identifier for the session.
 		SessionID         string
+		// HostName is the host executing the session.
 		HostName          string
+		// SessionState is the current state of the session.
 		SessionState      SessionState
 		resourceID        string     // hide from user for now
 		taskqueue         string     // resource specific taskqueue
@@ -42,8 +45,11 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/workflow.SessionOptions]
 	SessionOptions struct {
+		// ExecutionTimeout specifies the maximum amount of time the session can run.
 		ExecutionTimeout time.Duration
+		// CreationTimeout specifies how long session creation can take before returning an error.
 		CreationTimeout  time.Duration
+		// HeartbeatTimeout specifies the heartbeat timeout. If heartbeat is not received by server within the timeout, the session will be declared as failed.
 		HeartbeatTimeout time.Duration
 	}
 
diff --git a/internal/worker_version_sets.go b/internal/worker_version_sets.go
index adf1037ed..cd0f5d46e 100644
--- a/internal/worker_version_sets.go
+++ b/internal/worker_version_sets.go
@@ -99,8 +99,9 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.UpdateWorkerBuildIdCompatibilityOptions]
 	UpdateWorkerBuildIdCompatibilityOptions struct {
-		// The task queue to update the version sets of.
+		// TaskQueue is the task queue to update the version sets of.
 		TaskQueue string
+		// Operation is the operation to perform.
 		Operation UpdateBuildIDOp
 	}
 
@@ -115,26 +116,36 @@ type (
 	UpdateBuildIDOp interface {
 		targetedBuildId() string
 	}
+	// BuildIDOpAddNewIDInNewDefaultSet is an operation to add a new build ID into a new default set.
 	//
 	// Exposed as: [go.temporal.io/sdk/client.BuildIDOpAddNewIDInNewDefaultSet]
 	BuildIDOpAddNewIDInNewDefaultSet struct {
+		// BuildID is the build ID to add.
 		BuildID string
 	}
+	// BuildIDOpAddNewCompatibleVersion is an operation to add a new build ID into an existing compatible set.
 	//
 	// Exposed as: [go.temporal.io/sdk/client.BuildIDOpAddNewCompatibleVersion]
 	BuildIDOpAddNewCompatibleVersion struct {
+		// BuildID is the build ID to add.
 		BuildID                   string
+		// ExistingCompatibleBuildID is an existing build ID in the target set.
 		ExistingCompatibleBuildID string
+		// MakeSetDefault designates the target set as the default set if true.
 		MakeSetDefault            bool
 	}
+	// BuildIDOpPromoteSet is an operation to promote a compatible set to default.
 	//
 	// Exposed as: [go.temporal.io/sdk/client.BuildIDOpPromoteSet]
 	BuildIDOpPromoteSet struct {
+		// BuildID is a build ID in the target set.
 		BuildID string
 	}
+	// BuildIDOpPromoteIDWithinSet is an operation to promote a build ID to the default in its set.
 	//
 	// Exposed as: [go.temporal.io/sdk/client.BuildIDOpPromoteIDWithinSet]
 	BuildIDOpPromoteIDWithinSet struct {
+		// BuildID is the build ID to promote.
 		BuildID string
 	}
 )
@@ -181,9 +192,13 @@ func (uw *UpdateWorkerBuildIdCompatibilityOptions) validateAndConvertToProto() (
 	return req, nil
 }
 
+// GetWorkerBuildIdCompatibilityOptions is the input to Client.GetWorkerBuildIdCompatibility.
+//
 // Exposed as: [go.temporal.io/sdk/client.GetWorkerBuildIdCompatibilityOptions]
 type GetWorkerBuildIdCompatibilityOptions struct {
+	// TaskQueue is the task queue to query.
 	TaskQueue string
+	// MaxSets is the maximum number of sets to return.
 	MaxSets   int
 }
 
@@ -230,6 +245,7 @@ type TaskQueueReachability struct {
 //
 // Exposed as: [go.temporal.io/sdk/client.WorkerBuildIDVersionSets]
 type WorkerBuildIDVersionSets struct {
+	// Sets is a list of compatible version sets.
 	Sets []*CompatibleVersionSet
 }
 
diff --git a/internal/worker_versioning_rules.go b/internal/worker_versioning_rules.go
index c2683ca63..ac4f64e6b 100644
--- a/internal/worker_versioning_rules.go
+++ b/internal/worker_versioning_rules.go
@@ -51,12 +51,13 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningAssignmentRuleWithTimestamp]
 	VersioningAssignmentRuleWithTimestamp struct {
+		// Rule is the assignment rule.
 		Rule VersioningAssignmentRule
-		// The time when the server created this rule.
+		// CreateTime is the time when the server created this rule.
 		CreateTime time.Time
 	}
 
-	// VersioningAssignmentRule is a BuildID redirect rule for a task queue.
+	// VersioningRedirectRule is a BuildID redirect rule for a task queue.
 	// It changes the behavior of currently running workflows and new ones.
 	//
 	// Deprecated: Build-id based versioning is deprecated in favor of worker deployment based versioning and will be removed soon.
@@ -65,7 +66,9 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningRedirectRule]
 	VersioningRedirectRule struct {
+		// SourceBuildID is the source BuildID.
 		SourceBuildID string
+		// TargetBuildID is the target BuildID.
 		TargetBuildID string
 	}
 
@@ -77,8 +80,9 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningRedirectRuleWithTimestamp]
 	VersioningRedirectRuleWithTimestamp struct {
+		// Rule is the redirect rule.
 		Rule VersioningRedirectRule
-		// The time when the server created this rule.
+		// CreateTime is the time when the server created this rule.
 		CreateTime time.Time
 	}
 
@@ -103,10 +107,11 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.UpdateWorkerVersioningRulesOptions]
 	UpdateWorkerVersioningRulesOptions struct {
-		// The task queue to update the versioning rules of.
+		// TaskQueue is the task queue to update the versioning rules of.
 		TaskQueue string
-		// A conflict token to serialize updates.
+		// ConflictToken is a conflict token to serialize updates.
 		ConflictToken VersioningConflictToken
+		// Operation is the operation to perform.
 		Operation     VersioningOperation
 	}
 
@@ -141,7 +146,9 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningOperationInsertAssignmentRule]
 	VersioningOperationInsertAssignmentRule struct {
+		// RuleIndex is the index to insert the rule at.
 		RuleIndex int32
+		// Rule is the rule to insert.
 		Rule      VersioningAssignmentRule
 	}
 
@@ -157,8 +164,11 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningOperationReplaceAssignmentRule]
 	VersioningOperationReplaceAssignmentRule struct {
+		// RuleIndex is the index to replace the rule at.
 		RuleIndex int32
+		// Rule is the rule to replace.
 		Rule      VersioningAssignmentRule
+		// Force bypasses the unconditional rule validation if true.
 		Force     bool
 	}
 
@@ -174,7 +184,9 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningOperationDeleteAssignmentRule]
 	VersioningOperationDeleteAssignmentRule struct {
+		// RuleIndex is the index to delete the rule at.
 		RuleIndex int32
+		// Force bypasses the unconditional rule validation if true.
 		Force     bool
 	}
 
@@ -188,6 +200,7 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningOperationAddRedirectRule]
 	VersioningOperationAddRedirectRule struct {
+		// Rule is the rule to add.
 		Rule VersioningRedirectRule
 	}
 
@@ -200,6 +213,7 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningOperationReplaceRedirectRule]
 	VersioningOperationReplaceRedirectRule struct {
+		// Rule is the rule to replace.
 		Rule VersioningRedirectRule
 	}
 
@@ -212,6 +226,7 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningOperationDeleteRedirectRule]
 	VersioningOperationDeleteRedirectRule struct {
+		// SourceBuildID is the source build ID to delete.
 		SourceBuildID string
 	}
 
@@ -235,7 +250,9 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/client.VersioningOperationCommitBuildID]
 	VersioningOperationCommitBuildID struct {
+		// TargetBuildID is the target build ID to commit.
 		TargetBuildID string
+		// Force bypasses the zero pollers validation if true.
 		Force         bool
 	}
 )
@@ -357,8 +374,11 @@ func (gw *GetWorkerVersioningOptions) validateAndConvertToProto(namespace string
 //
 // Exposed as: [go.temporal.io/sdk/client.WorkerVersioningRules]
 type WorkerVersioningRules struct {
+	// AssignmentRules is the list of assignment rules.
 	AssignmentRules []*VersioningAssignmentRuleWithTimestamp
+	// RedirectRules is the list of redirect rules.
 	RedirectRules   []*VersioningRedirectRuleWithTimestamp
+	// ConflictToken is the current conflict token.
 	ConflictToken   VersioningConflictToken
 }
 
diff --git a/internal/workflow.go b/internal/workflow.go
index e29ece31a..86e71a45f 100644
--- a/internal/workflow.go
+++ b/internal/workflow.go
@@ -376,6 +376,7 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/workflow.Type]
 	WorkflowType struct {
+		// Name is the name of the workflow type.
 		Name string
 	}
 
@@ -383,7 +384,9 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/workflow.Execution]
 	WorkflowExecution struct {
+		// ID is the identifier of the workflow execution.
 		ID    string
+		// RunID is the run identifier of the workflow execution.
 		RunID string
 	}
 
@@ -537,6 +540,7 @@ type (
 		// always use this string name when executing this workflow from a client or
 		// inside a workflow as a child workflow.
 		Name                          string
+		// DisableAlreadyRegisteredCheck disables the check for already registered workflows.
 		DisableAlreadyRegisteredCheck bool
 		// Optional: Provides a Versioning Behavior to workflows of this type. It is required
 		// when WorkerOptions does not specify [DeploymentOptions.DefaultVersioningBehavior],
@@ -548,6 +552,7 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/workflow.LoadDynamicRuntimeOptionsDetails]
 	LoadDynamicRuntimeOptionsDetails struct {
+		// WorkflowType is the type of the workflow.
 		WorkflowType WorkflowType
 	}
 
@@ -1404,32 +1409,46 @@ func (wc *workflowEnvironmentInterceptor) ExecuteChildWorkflow(ctx Context, chil
 //
 // Exposed as: [go.temporal.io/sdk/workflow.Info]
 type WorkflowInfo struct {
+	// WorkflowExecution is the execution of the workflow.
 	WorkflowExecution WorkflowExecution
 	// The original runID before resetting. Using it instead of current runID can make workflow decision deterministic after reset. See also FirstRunId
 	OriginalRunID string
 	// The very first original RunId of the current Workflow Execution preserved along the chain of ContinueAsNew, Retry, Cron and Reset. Identifies the whole Runs chain of Workflow Execution.
 	FirstRunID               string
+	// WorkflowType is the type of the workflow.
 	WorkflowType             WorkflowType
+	// TaskQueueName is the name of the task queue.
 	TaskQueueName            string
+	// WorkflowExecutionTimeout is the timeout for the workflow execution.
 	WorkflowExecutionTimeout time.Duration
+	// WorkflowRunTimeout is the timeout for the workflow run.
 	WorkflowRunTimeout       time.Duration
+	// WorkflowTaskTimeout is the timeout for the workflow task.
 	WorkflowTaskTimeout      time.Duration
+	// Namespace is the namespace of the workflow.
 	Namespace                string
-	Attempt                  int32 // Attempt starts from 1 and increased by 1 for every retry if retry policy is specified.
+	// Attempt starts from 1 and increased by 1 for every retry if retry policy is specified.
+	Attempt                  int32
 	// Time of the workflow start.
 	// workflow.Now at the beginning of a workflow can return a later time if the Workflow Worker was down.
 	WorkflowStartTime       time.Time
 	lastCompletionResult    *commonpb.Payloads
 	lastFailure             *failurepb.Failure
+	// CronSchedule is the cron schedule for the workflow.
 	CronSchedule            string
+	// ContinuedExecutionRunID is the run ID of the continued execution.
 	ContinuedExecutionRunID string
+	// ParentWorkflowNamespace is the namespace of the parent workflow.
 	ParentWorkflowNamespace string
+	// ParentWorkflowExecution is the execution of the parent workflow.
 	ParentWorkflowExecution *WorkflowExecution
 	// RootWorkflowExecution is the first workflow execution in the chain of workflows. If a workflow is itself a root workflow, then this field is nil.
 	RootWorkflowExecution *WorkflowExecution
-	Memo                  *commonpb.Memo // Value can be decoded using data converter (defaultDataConverter, or custom one if set).
+	// Memo can be decoded using data converter (defaultDataConverter, or custom one if set).
+	Memo                  *commonpb.Memo
 	// Deprecated: use [Workflow.GetTypedSearchAttributes] instead.
-	SearchAttributes *commonpb.SearchAttributes // Value can be decoded using defaultDataConverter.
+	SearchAttributes *commonpb.SearchAttributes
+	// RetryPolicy is the retry policy of the workflow.
 	RetryPolicy      *RetryPolicy
 	// Priority settings that control relative ordering of task processing when workflow tasks are backed up in a queue.
 	// If no priority is set, the default value is the zero value.
diff --git a/internal/workflow_testsuite.go b/internal/workflow_testsuite.go
index 3d15a2c59..55247cd34 100644
--- a/internal/workflow_testsuite.go
+++ b/internal/workflow_testsuite.go
@@ -77,8 +77,11 @@ type (
 	//
 	// Exposed as: [go.temporal.io/sdk/testsuite.TestUpdateCallback]
 	TestUpdateCallback struct {
+		// OnAccept is called when the update is accepted.
 		OnAccept   func()
+		// OnReject is called when the update is rejected.
 		OnReject   func(error)
+		// OnComplete is called when the update completes.
 		OnComplete func(interface{}, error)
 	}
 )