bedrockagentcore/aws.sdk.kotlin.services.bedrockagentcore.model/InvokeHarnessStreamOutput/asMessageStartOrNull

asMessageStartOrNull

fun asMessageStartOrNull(): HarnessMessageStartEvent?

Casts this InvokeHarnessStreamOutput as a MessageStart and retrieves its aws.sdk.kotlin.services.bedrockagentcore.model.HarnessMessageStartEvent value. Returns null if the InvokeHarnessStreamOutput is not a MessageStart.