Polonius sends Reynaldo to Laertes with very specific instructions. What does Polonius tell Reynaldo to do, and how does Polonius tell him to do it?

Polonius sends Reynaldo to Laertes to find out if Laertes is behaving badly. Polonius tells Reynaldo to pretend to have heard bad rumors about Laertes and give Laertes's friends a chance to agree or disagree. In fact, Polonius gives him permission to lie, though he claims he does not want Laertes embarrassed.