| Property | Type | Description |
|---|---|---|
| message_id | Text | Id of the originating message |
| channel_id | Text | Id of the originating message's channel |
| guild_id | Text | Id of the originating message's guild |
| fail_if_not_exists | Boolean | When sending, whether to error if the referenced message doesn't exist instead of sending as a normal (non-reply) message, default true |