Can delete trigger fail?

MongoDB Atlas App Services & Realm
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1

I have a delete authentication trigger with the following linked function:

exports = function(authEvent) {
  const mongodb = context.services.get("mongodb-atlas");
  const items = mongodb.db("realm-swift-template").collection("Item");
  
  const userId = authEvent.userId
  items.deleteMany({ userId })
};

I think that deleteMany can throw an exception. Should I be using a try catch block and schedule the function to run again later?