ChatSessionMessage Properties

The ChatSessionMessage type exposes the following members.

Properties

	Name	Description
	Content	Plain-text content of the message.
	ToolCallId	Tool call id – only set for ToolChatMessage entries.
	ToolCalls	Tool calls requested by the agent. Only non-null for AssistantChatMessage entries where the AI invoked one or more tools.
	Type	Type discriminator: SystemChatMessage \| UserChatMessage \| AssistantChatMessage \| ToolChatMessage