API v10InterfacesGatewayMessageEventExtraFieldsVersion: 0.37.112On this pageGatewayMessageEventExtraFields https://discord.com/developers/docs/topics/gateway-events#message-create-message-create-extra-fieldsIndex Propertiesguild_idmembermentionsProperties optionalguild_idguild_id?: stringoptionalmembermember?: Omit<APIGuildMember, user>mentionsmentions: (APIUser & { member?: Omit<APIGuildMember, user> })[]
https://discord.com/developers/docs/topics/gateway-events#message-create-message-create-extra-fields