How to make a private only request?

When creating private request, you will see the screen below.

private request 1

If it is ticked, your private request will also send to other Backers.

If it is untick, your private request will only send to your only preferred sitter and other Backers will not receiving it. However, if your preferred sitter did not reply to your private request within 4 hours, you will receive an email about permission to send your request to other Backers.

private request 2