For receiving particular session details, we need the session ID number. We can find it on a list of all room sessions:
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try { $sessions = $client->conferenceSessions($room_id); } catch (Exception $e) { // handle exceptions here }  | 
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begin sessions = client.conferenceSessions(room_id) rescue ClickMeeting::ClientError => e # handle exceptions here end  | 
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try: sessions = client.conferenceSessions(room_id) except Exception, e: # handle exceptions here  | 
Now we can get particular session details using conferenceSession method as follows.
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try { $session = $client->conferenceSession($room_id, $session_id); } catch (Exception $e) { // handle exceptions here }  | 
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begin session = client.conferenceSession(room_id, session_id) rescue ClickMeeting::ClientError => e # handle exceptions here end  | 
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try: session = client.conferenceSession(room_id, session_id) except Exception, e: # handle exceptions here  | 
You can find more detailed descriptions in the API Function Reference manual.