Fields
| Field | Type | Required | Description |
|---|---|---|---|
Content | []components.OutputMessageItemContent | :heavy_check_mark: | N/A |
ID | string | :heavy_check_mark: | N/A |
Phase | optionalnullable.OptionalNullable[components.OutputMessageItemPhaseUnion] | :heavy_minus_sign: | The phase of an assistant message. Use commentary for an intermediate assistant message and final_answer for the final assistant message. For follow-up requests with models like gpt-5.3-codex and later, preserve and resend phase on all assistant messages. Omitting it can degrade performance. Not used for user messages. |
Role | components.OutputMessageItemRole | :heavy_check_mark: | N/A |
Status | *components.OutputMessageItemStatusUnion | :heavy_minus_sign: | N/A |
Type | components.OutputMessageItemType | :heavy_check_mark: | N/A |