How to suggest a similar question when we find a possible duplicate, or when it is answered in another thread, as show in the following dialog?
Is there a privilege associated with this action?
Yes, it is a privilege, called flagging, granted in this site at 15 rep. You flag a post as a duplicate if you feel it has been already answered.
Flag posts
Privilege type: Moderation privilege
Awarded at: 15 reputationWhat is flagging?
Flagging is a way of bringing inappropriate content to the attention of the community. The currently implemented flag types are the following:
[...]
- Flag to close (questions only)
- Duplicate question
You need one more upvote to get this privilege.