The new message contents (up to 2000 characters)
https://discord.com/developers/docs/resources/channel#edit-message
Allowed mentions for the messageSee https://discord.com/developers/docs/resources/channel#allowed-mentions-object
Attached files to keepStarting with API v10, the
attachments
array must contain all attachments that should be present after edit, including **retained and new** attachments provided in the request body.See https://discord.com/developers/docs/resources/message#attachment-object-attachment-structureThe components to include with the messageSee https://discord.com/developers/docs/interactions/message-components#component-object
Embedded
rich
content (up to 6000 characters)See https://discord.com/developers/docs/resources/channel#embed-object