db={"user":[{"_id":"6381e7c6bf8892cf05c7c798","username":"Teacher","email":"teacher@gmail.com","role":"teacher","avatar":"fixtures/teacher.jpg","token":"KNuSF7sscU3EJsMetUFKi","authentication":true,"myCourses":[{"course":"6381e7c6bf8892cf05c7c7b3","status":true,"_id":"6381e80f12d633b2e6c35fbd"},{"course":"6381edab4f212193837ab575","status":true,"_id":"6381edc54f212193837ab57c"}]}]}

db.user.update({"_id":"6381e7c6bf8892cf05c7c798"},{"$set":{"myCourses.$[elem].status":false}},{"arrayFilters":[{"elem.course":"6381edab4f212193837ab575"}]})