_propDict)) { return $this->_propDict["immutableId"]; } else { return null; } } /** * Sets the immutableId * Unique identifier for the user object in Active Directory. * * @param string $val The value of the immutableId * * @return EducationOnPremisesInfo */ public function setImmutableId($val) { $this->_propDict["immutableId"] = $val; return $this; } }