_propDict)) { if (is_a($this->_propDict["participant"], "\Microsoft\Graph\Model\IdentitySet") || is_null($this->_propDict["participant"])) { return $this->_propDict["participant"]; } else { $this->_propDict["participant"] = new IdentitySet($this->_propDict["participant"]); return $this->_propDict["participant"]; } } return null; } /** * Sets the participant * Identity of the call participant. * * @param IdentitySet $val The value to assign to the participant * * @return CallParticipantInfo The CallParticipantInfo */ public function setParticipant($val) { $this->_propDict["participant"] = $val; return $this; } }