"To end the session" means to bring a meeting, appointment, or activity to a close or conclusion.
Sentences with «to end the session»
Occasionally grab the treat or toy before your dog gets to it to build motivation, but always end the session with your dog the winner. (baywoof.com)
Always end a session on a positive note, with a success on his part... even if it means making the last command one he has known for a while. (raisingrascal.com)