Requirements to get the response payload as an collection Arary

Hi ,

Thanks for the above posting, It works for me. But my requirement is to get the response payload as an collection Arary

Can you please suggest the changes that i'll have to do to get an array response as given below

Response Payload:

--------------------------

"value":[
                 {
                   "key1":"Test Part",
                   "ChildObjects": [
                       {
                           "key":"OR:wt.part.WTPart: 1234",
                           "value":" TEST 1234-A "
                      },
                      {
                            "key":"OR:wt.part.WTPart: 1235,
                             "value":"TEST 1235-B "
                        } 
                ]
          }
    ]