[{"name":"Report1","specifications":[{"parameters":[{"name":"feature","value":["13"]},{"name":"security","value":["XXXX-695"]},{"name":"imageURL","value":["football.jpg"],}]}]},{"name":"Report2","specifications":[{"parameters":[{"name":"feature","value":["67"]},{"name":"imageURL","value":["basketball.jpg"],},{"name":"security","value":["XXXX-123"]}]}]}]

db.collection.aggregate([{$project:{specifications:{$arrayElemAt:["$specifications",0]}}},{$project:{code:1,name:1,imageparam:{$filter:{input:"$specifications.parameters",as:"param",cond:{$eq:["$$param.name","imageURL"]}}},createDate:1}},{$project:{imageparam:{$arrayElemAt:["$imageparam",0]}}},{$project:{imageparam:"$imageparam.value"}},{$project:{imageparam:{$arrayElemAt:["$imageparam",0]}}}])