| type | (optional) string | Request origin type. Matches requestOrigin when both are sent. | [default to undefined] |
| slackUserId | (optional) string | Slack user identifier of the caller. | [default to undefined] |
| commandText | (optional) string | Slack command text that produced this request. | [default to undefined] |
| channelId | (optional) string | Slack channel identifier. | [default to undefined] |
| threadId | (optional) string | Slack thread identifier of the message that produced this request. | [default to undefined] |
| messageId | (optional) string | Slack message identifier of the message that produced this request. | [default to undefined] |
| workspaceId | (optional) string | Slack workspace identifier. | [default to undefined] |