[{"_id":"63ea901a85d4fbd62fb887b3","name":"test namee","isDeclined":false,"testimonials":[{"isDisplayed":true,"name":"test123123123123123",},{"isDisplayed":true,"name":"test123123123123123",},{"isDisplayed":false,"name":"test@gmail.com",},],}]

db.collection.aggregate([{"$match":{"_id":"63ea901a85d4fbd62fb887b3","testimonials.isDisplayed":true}},{"$project":{"name":1,"isDeclined":1,"testimonials":{"$filter":{"input":"$testimonials","cond":{"$eq":["$$this.isDisplayed",true]}}}}}])