The custom_id to be sent in the interaction when clicked
OptionaldisabledThe status of the button
OptionalemojiThe emoji to display to the left of the text
Optionalid32 bit integer used as an optional identifier for component
The id field is optional and is used to identify components in the response from an interaction that aren't interactive components. The id must be unique within the message and is generated sequentially if left empty. Generation of ids won't use another id that exists in the message if you have one defined for another component.
OptionallabelThe label to be displayed on the button
The style of the button
The type of the component
See
https://discord.com/developers/docs/components/reference#button