MessageMetadata ¶ Source code in docs_src/capo_bedrock_agentcore/types/message_metadata.py 8 9 10 11 12class MessageMetadata(TypedDict, closed=True): event_id: "str" """<p>The identifier of the event associated with this message.</p>""" message_index: "int" """<p>The position of this message within that event’s ordered list of messages.</p>""" event_id instance-attribute ¶ event_id: str The identifier of the event associated with this message. message_index instance-attribute ¶ message_index: int The position of this message within that event’s ordered list of messages.