Database
[{_id:"63492520b5ef3f0bf00282ca",users:[{_id:"64d6c6cd2b758fd95dceeedd",userId:"AB211C5F-9EC9-429F-9466-B9382FF61035"},{_id:"64d6cccd2b818fd95ccefedd",userId:"AC412D5H-8GE6-631R-8581-C1452JF60029"}]}]
Query
db.collection.update({_id:"63492520b5ef3f0bf00282ca"},{$pull:{users:{userId:{$in:["AB211C5F-9EC9-429F-9466-B9382FF61035"]}}}})