Components V2 Guide.

Adds a container to hold other components

Adds a section with an accessory button or thumbnail

Adds an action row to hold buttons and select menus

Adds a media gallery to hold images and videos

Adds a text display to containers or sections

Adds a visual separator between components

Adds a thumbnail image to a section

Adds an image or video to a media gallery

Adds a button to an action row or section

Adds a string select menu with custom options

Adds an option to a string select menu

Adds a user select menu

Adds a role select menu

Adds a mentionable select menu (users and roles)