# OpenResponsesInputMessageItem ## Fields | Field | Type | Required | Description | | -------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------- | | `id` | *Optional[str]* | :heavy_minus_sign: | N/A | | `type` | [Optional[components.OpenResponsesInputMessageItemTypeMessage]](../components/openresponsesinputmessageitemtypemessage.md) | :heavy_minus_sign: | N/A | | `role` | [components.OpenResponsesInputMessageItemRoleUnion](../components/openresponsesinputmessageitemroleunion.md) | :heavy_check_mark: | N/A | | `content` | List[[components.OpenResponsesInputMessageItemContentUnion](../components/openresponsesinputmessageitemcontentunion.md)] | :heavy_check_mark: | N/A |