CCrmActivityRestProxy::getCommunicationFieldsInfo

protected function getCommunicationFieldsInfo()
{
	if(!$this->COMM_FIELDS_INFO)
	{
		$this->COMM_FIELDS_INFO = CCrmActivity::GetCommunicationFieldsInfo();
		foreach ($this->COMM_FIELDS_INFO as $code=>&$field)
		{
			$field['CAPTION'] = \Bitrix\Crm\ActivityTable::getFieldCaption($code);
		}
	}
	return $this->COMM_FIELDS_INFO;
}