public FormState::setTriggeringElement($triggering_element)
Sets the form element that triggered submission.
array|null $triggering_element: The form element that triggered submission, of NULL if there is none.
$this
Overrides FormStateInterface::setTriggeringElement
public function setTriggeringElement($triggering_element) { $this->triggering_element = $triggering_element; return $this; }
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