Salesforce4U

 There is no separate objects to store queue name and all queue members. They are mapped to Group and Group Member respectively. Queues are stored as records in the table Group with 'Type' as "Queue".  Select Id from Group where type='Queue' and Name='Queue Name' - This query will return Id of queues. Use above query results (Id)  in the query [Select UserOrGroupId From GroupMember where GroupId =:grpIdset] to fetch all the users or groups which are members of the required queue.  We can also write both query combing  SELECT UserOrGroupId, COUNT( Id ) FROM GroupMember WHERE GroupId IN ( SELECT Id FROM Group WHERE Type = 'Queue' ) GROUP BY UserOrGroupId   For User level SELECT UserOrGroupId, COUNT( Id ) FROM GroupMember WHERE UserOrGroupId =: userfinfo.getUserid() AND GroupId IN ( SELECT Id FROM Group WHERE Type = 'Queue' ) GROUP BY UserOrGroupId  We know Queue can be created for different objects. We have a section names supported objec...