Is the use case diagram correct?

Question

UML

Please tell me if I did it right?
Or is there something that needs to be changed/added?

Answer 1

Third-party systems are also Actants (well, or Actors), i.e., in my opinion, "BEFORE Moodle" should be replaced with a little man, and I think not at all they are needed and so in the text script itself should be described