Only you, not your moderators or viewers, can pin messages.
It is only present if the is giftMembershipReceivedEvent.
Also, your operators should be committed to doing their best to.
Note: You can only send up to 200 characters in a single chat message, and emojis count as characters.
I am going to connect you with my colleague, who is more familiar with the problem you have just described.
The author field contains the moderator's details.