bitrix24_finding_on_crm.php

<?
#With DB Query
global $DB;
$phones = $DB->Query("SELECT * FROM `b_crm_field_multi` WHERE TYPE_ID='PHONE' AND VALUE='".$phone."'");
while($row = $phones->fetch())
	{
	}

$emails = $DB->Query("SELECT * FROM `b_crm_field_multi` WHERE TYPE_ID='EMAIL' AND VALUE='".$email."'");
while($row = $emails->fetch())
	{
	}

?>

<?
#With API
use \Bitrix\Main;
use \Bitrix\Crm;

/* @var string Email, который будем искать */
$sEmail = '[email protected]';

/* @var array ID лидов, которые попадаются под условия */
$arLeadIds = [];

if ( Main\Loader::IncludeModule('crm') )
{
  // Формируем критерий, подсовываем Email
  $criterion = new Crm\Integrity\DuplicateCommunicationCriterion( Crm\CommunicationType::EMAIL_NAME, $sEmail);

  // Выполняем поиск первых 20 клиентов
  $duplicate = $criterion->find( \CCrmOwnerType::Contact, 2);

  // Если найдены entity проитерируем их
  $entities = $duplicate->getEntities();
  if ( !empty($entities) )
  {
    foreach($entities as $entity)
    {
      $arLeadIds[] = $entity->getEntityID();
    }
  }
}

print_r($arLeadIds[0]);
?>

<?
		CModule::IncludeModule('crm');
		$rsContact = CCrmFieldMulti::GetList(
		   array(),
		   array(
			  'ENTITY_ID' => 'CONTACT', // looking for only on contacts
			  "VALUE" => $sEmail,
		   )
		);
		if($arContact = $rsContact->Fetch()) 
		{
			AddMessage2Log($arContact['ELEMENT_ID'], "first_finded_contact_id");
			$ContactID=$arContact['ELEMENT_ID'];
			
		}

?>