Sharing Suggestions and Comma Fix on sharing page

[AroraShreshth]

Sharing Suggestions implemented via REST API and Comma Fix

[ramyak-mehra]

Sharing Suggestions implemented via REST API and Comma Fix

Can you please elaborate it a bit

[AroraShreshth]

suggestions of username for the log while sharing it

[ramyak-mehra]

suggestions of username for the log while sharing it

I am having a hard time handling the tags is there any reference article for that input field?
I am able to fetch and display usernames based on input area value but can't handle tagging it.