final leaseMap = lease as Map;
          await firebaseProfile.createLease(context, lease).then((newLease) {
            leaseMap['documentID'] = newLease.id(); // despite this returns an string it fails
          });

Unhandled Exception: NoSuchMethodError: Class 'String' has no instance method 'call'. E/flutter ( 9361): Receiver: "ID" E/flutter ( 9361): Tried calling: call()

CodePudding user response：

Try:

leaseMap['documentID'] = newLease.id;

without ()