BizprocDocument::addDocumentField

static function addDocumentField($documentType, $fields)
{
	$iblockId = intval(mb_substr($documentType, mb_strlen("iblock_")));
	if ($iblockId <= 0)
		throw new CBPArgumentOutOfRangeException("documentType", $documentType);

	if (mb_substr($fields["code"], 0, mb_strlen("PROPERTY_")) == "PROPERTY_")
		$fields["code"] = mb_substr($fields["code"], mb_strlen("PROPERTY_"));

	if(!empty($fields["active_type"]))
		$fields["type"] = $fields["active_type"];

	$fieldsTemporary = array(
		"NAME" => $fields["name"],
		"ACTIVE" => "Y",
		"SORT" => $fields["sort"] ? $fields["sort"] : 900,
		"CODE" => $fields["code"],
		'MULTIPLE' => $fields['multiple'] == 'Y' || (string)$fields['multiple'] === '1' ? 'Y' : 'N',
		'IS_REQUIRED' => $fields['required'] == 'Y' || (string)$fields['required'] === '1' ? 'Y' : 'N',
		"IBLOCK_ID" => $iblockId,
		"FILTRABLE" => "Y",
		"SETTINGS" => $fields["settings"] ? $fields["settings"] : array("SHOW_ADD_FORM" => 'Y', "SHOW_EDIT_FORM"=>'Y'),
		"DEFAULT_VALUE" => $fields['DefaultValue']
	);

	if (mb_strpos("0123456789", mb_substr($fieldsTemporary["CODE"], 0, 1)) !== false)
		$fieldsTemporary["CODE"] = self::generatePropertyCode($fields["name"], $fields["code"], $iblockId);

	if (array_key_exists("additional_type_info", $fields))
		$fieldsTemporary["LINK_IBLOCK_ID"] = intval($fields["additional_type_info"]);

	if(!empty($fields["UserTypeSettings"]))
		$fieldsTemporary["USER_TYPE_SETTINGS"] = $fields["UserTypeSettings"];

	if(mb_strstr($fields["type"], ":") !== false)
	{
		list($fieldsTemporary["TYPE"], $fieldsTemporary["USER_TYPE"]) = explode(":", $fields["type"], 2);
		if($fields["type"] == "E:EList")
		{
			$fieldsTemporary["LINK_IBLOCK_ID"] = $fields["options"] ?? null;
		}
		elseif($fields["type"] == "E:ECrm")
		{
			$fieldsTemporary["TYPE"] = "S:ECrm";
		}
	}
	elseif ($fields["type"] == "user")
	{
		$fieldsTemporary["TYPE"] = "S:employee";
		$fieldsTemporary["USER_TYPE"]= "UserID";
	}
	elseif ($fields["type"] == "date")
	{
		$fieldsTemporary["TYPE"] = "S:Date";
		$fieldsTemporary["USER_TYPE"]= "Date";
	}
	elseif ($fields["type"] == "datetime")
	{
		$fieldsTemporary["TYPE"] = "S:DateTime";
		$fieldsTemporary["USER_TYPE"]= "DateTime";
	}
	elseif ($fields["type"] == "file")
	{
		$fieldsTemporary["TYPE"] = "F";
		$fieldsTemporary["USER_TYPE"]= "";
	}
	elseif ($fields["type"] == "select")
	{
		$fieldsTemporary["TYPE"] = "L";
		$fieldsTemporary["USER_TYPE"]= false;

		if (is_array($fields["options"]))
		{
			$i = 10;
			foreach ($fields["options"] as $k => $v)
			{
				$def = "N";
				if($fields['DefaultValue'] == $v)
					$def = "Y";
				$fieldsTemporary["VALUES"][] = array("XML_ID" => $k, "VALUE" => $v, "DEF" => $def, "SORT" => $i);
				$i = $i + 10;
			}
		}
		elseif (is_string($fields["options"]) && ($fields["options"] <> ''))
		{
			$a = explode("n", $fields["options"]);
			$i = 10;
			foreach ($a as $v)
			{
				$v = trim(trim($v), "rn");
				if (!$v)
					continue;
				$v1 = $v2 = $v;
				if (mb_substr($v, 0, 1) == "[" && mb_strpos($v, "]") !== false)
				{
					$v1 = mb_substr($v, 1, mb_strpos($v, "]") - 1);
					$v2 = trim(mb_substr($v, mb_strpos($v, "]") + 1));
				}
				$def = "N";
				if($fields['DefaultValue'] == $v2)
					$def = "Y";
				$fieldsTemporary["VALUES"][] = array("XML_ID" => $v1, "VALUE" => $v2, "DEF" => $def, "SORT" => $i);
				$i = $i + 10;
			}
		}
	}
	elseif($fields["type"] == "string")
	{
		$fieldsTemporary["TYPE"] = "S";

		if($fields["row_count"] && $fields["col_count"])
		{
			$fieldsTemporary["ROW_COUNT"] = $fields["row_count"];
			$fieldsTemporary["COL_COUNT"] = $fields["col_count"];
		}
		else
		{
			$fieldsTemporary["ROW_COUNT"] = 1;
			$fieldsTemporary["COL_COUNT"] = 30;
		}
	}
	elseif($fields["type"] == "text")
	{
		$fieldsTemporary["TYPE"] = "S";
		if($fields["row_count"] && $fields["col_count"])
		{
			$fieldsTemporary["ROW_COUNT"] = $fields["row_count"];
			$fieldsTemporary["COL_COUNT"] = $fields["col_count"];
		}
		else
		{
			$fieldsTemporary["ROW_COUNT"] = 4;
			$fieldsTemporary["COL_COUNT"] = 30;
		}
	}
	elseif($fields["type"] == "int" || $fields["type"] == "double")
	{
		$fieldsTemporary["TYPE"] = "N";
	}
	elseif($fields["type"] == "bool")
	{
		$fieldsTemporary["TYPE"] = "L";
		$fieldsTemporary["VALUES"][] = array(
			"XML_ID" => 'Y',
			"VALUE" => GetMessage("BPVDX_YES"),
			"DEF" => "N",
			"SORT" => 10
		);
		$fieldsTemporary["VALUES"][] = array(
			"XML_ID" => 'N',
			"VALUE" => GetMessage("BPVDX_NO"),
			"DEF" => "N",
			"SORT" => 20
		);
	}
	else
	{
		$fieldsTemporary["TYPE"] = $fields["type"];
		$fieldsTemporary["USER_TYPE"] = false;
	}

	$idField = false;
	$properties = CIBlockProperty::getList(
		array(),
		array("IBLOCK_ID" => $fieldsTemporary["IBLOCK_ID"], "CODE" => $fieldsTemporary["CODE"])
	);
	if(!$properties->fetch())
	{
		$listObject = new CList($iblockId);
		$idField = $listObject->addField($fieldsTemporary);
	}

	if($idField)
	{
		global $CACHE_MANAGER;
		$CACHE_MANAGER->clearByTag("lists_list_".$iblockId);
		if(!empty($fieldsTemporary["CODE"]))
		{
			$idField = mb_substr($idField, 0, mb_strlen("PROPERTY_")).$fieldsTemporary["CODE"];
		}
		return $idField;
	}
	return false;
}