_propDict)) { return $this->_propDict["sequenceId"]; } else { return null; } } /** * Sets the sequenceId * An incremental identifier used for ordering DTMF events. * * @param int $val The value of the sequenceId * * @return ToneInfo */ public function setSequenceId($val) { $this->_propDict["sequenceId"] = $val; return $this; } /** * Gets the tone * Possible values are: tone0, tone1, tone2, tone3, tone4, tone5, tone6, tone7, tone8, tone9, star, pound, a, b, c, d, flash. * * @return Tone|null The tone */ public function getTone() { if (array_key_exists("tone", $this->_propDict)) { if (is_a($this->_propDict["tone"], "\Beta\Microsoft\Graph\Model\Tone") || is_null($this->_propDict["tone"])) { return $this->_propDict["tone"]; } else { $this->_propDict["tone"] = new Tone($this->_propDict["tone"]); return $this->_propDict["tone"]; } } return null; } /** * Sets the tone * Possible values are: tone0, tone1, tone2, tone3, tone4, tone5, tone6, tone7, tone8, tone9, star, pound, a, b, c, d, flash. * * @param Tone $val The value to assign to the tone * * @return ToneInfo The ToneInfo */ public function setTone($val) { $this->_propDict["tone"] = $val; return $this; } }