# ChatCompletionRequestToolMessage ## Fields | Field | Type | Required | Description | | ------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------ | | `Role` | [components.ChatCompletionRequestToolMessageRole](../../models/components/chatcompletionrequesttoolmessagerole.md) | :heavy_check_mark: | The role of the messages author, in this case `tool`. | | `Content` | *string* | :heavy_check_mark: | The contents of the tool message. | | `ToolCallID` | *string* | :heavy_check_mark: | Tool call that this message is responding to. |