Of course, you can customize the invitation message in the messages property. Invitees will receive an email, and the content of the email will include your username and display the invitation message.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.