parse.com - How to set correct roles for login users -

i trying set roles parse.com aim set role data login users. can please proved step step how should done parse.com, tryed play , read tutrial time getting accecss data if not logined. thnx helping!

when create data object should adding acl it, created current user , limiting read , write user. done before save data object. don't need use role. role used had group of users needed access, add users role , create acl role instead of user.