GRANT Permissions command
See the following article for more information:
The GRANT Permissions command allows you to add users as viewers or editors to the current folder or a subfolder. Only existing Crunch users in your account can be added with this command.
GRANT PERM_TYPE ON HERE TO "email1", "email2"; GRANT PERM_TYPE ON grant_path TO "email1", "email2";
GRANT VIEWER ON "Path|To" TO "firstname.lastname@example.org", "email@example.com"; GRANT EDITOR ON HERE TO "firstname.lastname@example.org";