The status of the message, which can be either in_progress, incomplete, or completed.
completed_atinteger nullable required
The Unix timestamp (in seconds) for when the message was completed.
incomplete_atinteger nullable required
The Unix timestamp (in seconds) for when the message was marked as incomplete.
role'user' | 'assistant' required
The entity that produced the message. One of user or assistant.
assistant_idstring nullable required
If applicable, the ID of the assistant that authored this message.
run_idstring nullable required
The ID of the run associated with the creation of this message. Value is null when messages are created manually using the create message or create thread endpoints.
metadataMetadata nullable required
Set of 16 key-value pairs that can be attached to an object. This can be
useful for storing additional information about the object in a structured
format, and querying for objects via API or the dashboard.
Keys are strings with a maximum length of 64 characters. Values are strings
with a maximum length of 512 characters.