List <mteam__c> mlist = [Select Id, Queue_Id__c,Amethod__c
from mteam__c where smis__c = 'a320m00000004H7' and
Amethod__c='Test'];
set <Id> userset = new set<ID>();

Id Oqueueid = mlist[0].Queue_Id__c;
List <groupmember> gm = [Select UserorGroupID from groupmember where GroupId
= :mlist[0].Queue_Id__c];
for(mteam__c mrec : mlist)
{
for(mteammember__c mrecord : [Select Id, Ag__c from mteammember__c where
mteam__c = :mrec.Id])
{
System.debug('Users' +mrecord.Ag__c);
userset.add(mrecord.Ag__c);

}
}