# OpenResponsesInputMessageItem ## Fields | Field | Type | Required | Description | | ------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------ | | `id` | *Optional[str]* | :heavy_minus_sign: | N/A | | `type` | [Optional[models.OpenResponsesInputMessageItemType]](../models/openresponsesinputmessageitemtype.md) | :heavy_minus_sign: | N/A | | `role` | [models.OpenResponsesInputMessageItemRoleUnion](../models/openresponsesinputmessageitemroleunion.md) | :heavy_check_mark: | N/A | | `content` | List[[models.OpenResponsesInputMessageItemContent](../models/openresponsesinputmessageitemcontent.md)] | :heavy_check_mark: | N/A |