How to test the parameter new_active_sess_pool_p1

Question

Dear all,
How to test the parameter new_active_sess_pool_p1? I have set the new_active_sess_pool_p1=1,and I login db using the user HXL,execute DML and make sure the session is active,now i login the db again and found the new_active_sess_pool_p1 not work,Why?
Begin
  Dbms_Resource_Manager.Create_Pending_Area();
  Dbms_Resource_Manager.update_Plan_Directive(Plan => 'MAXCAP_PLAN',
                                              Group_Or_Subplan => 'MAXCAP_PLAN_G1',
                                              new_active_sess_pool_p1 => 1);
  Dbms_Resource_Manager.Validate_Pending_Area();
  Dbms_Resource_Manager.Submit_Pending_Area();
End;
Begin
  Dbms_Resource_Manager.Create_Pending_Area();
  Dbms_Resource_Manager.Set_Consumer_Group_Mapping(Attribute      => Dbms_Resource_Manager.Oracle_User,
                                                   Value          => 'HXL',
                                                   Consumer_Group => 'MAXCAP_PLAN_G1');
  Dbms_Resource_Manager.Validate_Pending_Area();
  Dbms_Resource_Manager.Submit_Pending_Area();
End;

Answer 1

Hi,
The issue have solved,just as run the flowing:
BEGIN
DBMS_RESOURCE_MANAGER_PRIVS.GRANT_SWITCH_CONSUMER_GROUP (
GRANTEE_NAME => 'HXL',
CONSUMER_GROUP => 'MAXCAP_PLAN_G1',
GRANT_OPTION => TRUE);
END;