$messageID
ID of the message that started this: the command, or the message that was reacted to, edited or deleted. Empty when a member joins or leaves.
Example
$pinMessage[$messageID]Pins the message that started the command
$messageIDID of the message that started this: the command, or the message that was reacted to, edited or deleted. Empty when a member joins or leaves.
$pinMessage[$messageID]Pins the message that started the command