A list of one or many input items to the model, containing different content types.
The role of the message input. One of user, system, or developer.
OptionalstatusThe status of item. One of in_progress, completed, or incomplete.
Populated when items are returned via API.
OptionaltypeThe type of the message input. Always set to message.
A message input to the model with a role indicating instruction following hierarchy. Instructions given with the
developerorsystemrole take precedence over instructions given with theuserrole.