original_string: public function get_cm() {
          if ($this->cm == null) {
              $this->cm = get_coursemodule_from_instance('lesson', $this->properties->id);
          }
          return $this->cm;
      }
code: public function get_cm() {
          if ($this->cm == null) {
              $this->cm = get_coursemodule_from_instance('lesson', $this->properties->id);
          }
          return $this->cm;
      }
code_tokens: public function get_cm ( ) { if ( $ this -> cm == null ) { $ this -> cm = get_coursemodule_from_instance ( 'lesson' , $ this -> properties -> id ) ; } return $ this -> cm ; }
docstring: Return the lesson course module object.
  
  @return stdClass course module
  @since  Moodle 3.3
docstring_tokens: Return the lesson course module object .