Reg:Identifying Agents by Level wise

Hi All,

My scenario is i need to get data level by level and after approving first level,work item should go for second level.

In my custom table i have 2 primary keys location and levels.i need to fetch first level username and passed to User Decision.

After approving first level again i need to fetch second level username and pass to userdecision.In this way i need to fetch all the levels till final flag = x

which will maintained in my custom table.

Could you please explain step by step.