Database
db={"survey":[{"_id":ObjectId("60fd0c7ecd479a846f1f0fe5"),"Type":["TF"],"Answered":0,"Title":"hello","Questions":ObjectId("60fd0cbacd479a846f1f0fe6"),"DateCreated":1627195005136,"Lifetime":1627195005136,"__v":0}],"question":[{"_id":ObjectId("60fd0cbacd479a846f1f0fe6"),"QuestionText":"test","Options":"tester","__v":0}]}
Query
db.survey.aggregate([{"$match":{_id:ObjectId("60fd0c7ecd479a846f1f0fe5")}},{$lookup:{from:"question",localField:"Questions",foreignField:"_id",as:"Questions"}}])