[{_id:"6204935ebca89023952f2da9",employeeCode:{type:"1",},name:{type:"1",},appraisal:{status:{type:"1",enum:["not started","in progress","completed","not started","self rating"],default:"not started"},objective_group:[{_id:ObjectId("6207ec6a8bfc1226d3f36fb1"),name:{type:ObjectId("620850712895e6b7c7e778a2"),ref:"ObjectiveGroup",required:true},value:{type:1,},objective_type:[{name:{type:ObjectId("620850712895e6b7c7e778a2"),ref:"ObjectiveType",required:true},value:{type:1,},objective_description:[{name:{type:ObjectId("620850712895e6b7c7e778a2"),ref:"ObjectiveDescription",required:true},value:{type:1,},ratings:{type:{type:ObjectId("620850712895e6b7c7e778a2"),ref:"Ratings",}},}],training_recommendation:{type:ObjectId("620850712895e6b7c7e778a2"),ref:"TrainingRecommendation"},other_recommendation:{type:ObjectId("620850712895e6b7c7e778a2"),ref:"OtherRecommendation"},}],}],},}]

db.collection.update({"_id":"6204935ebca89023952f2da9","appraisal.objective_group._id":ObjectId("6207ec6a8bfc1226d3f36fb1")},{$set:{"appraisal.objective_group.$[group].value":1234}},{arrayFilters:[{"group._id":ObjectId("6207ec6a8bfc1226d3f36fb1")}]})