Binding::bindingBlock

static function bindingBlock(int $chatId, int $blockId): void
{
	$res = self::getList([
		'select' => [
			'ID'
		],
		'filter' => [
			'INTERNAL_CHAT_ID' => $chatId,
			'ENTITY_ID' => $blockId,
			'=ENTITY_TYPE' => self::BINDING_TYPE_BLOCK
		]
	]);
	if (!$res->fetch())
	{
		self::add([
			'INTERNAL_CHAT_ID' => $chatId,
			'ENTITY_ID' => $blockId,
			'ENTITY_TYPE' => self::BINDING_TYPE_BLOCK
		]);
	}
}