CBitrixRestEntity::entityItemPropertyUpdate

static function entityItemPropertyUpdate($params, $n, $server)
{
	if(self::checkItemPropertyParams($params))
	{
		if(self::checkEntity($params['ENTITY'], $server))
		{
			$arField = self::getItemProperty($params['PROPERTY'], $params['ENTITY'], $server);
			if($arField)
			{
				if(CIBlockRights::UserHasRightTo($arField['IBLOCK_ID'], $arField['IBLOCK_ID'], 'iblock_edit'))
				{
					$arPropFields = array();

					if(isset($params['PROPERTY_NEW']) && $params['PROPERTY_NEW'] != $params['PROPERTY'])
					{
						if (self::checkItemProperty($params['PROPERTY_NEW'], $params['ENTITY'], $server))
						{
							throw new RestException ('Property '.$params['PROPERTY_NEW'].' already exists', self::ERROR_PROPERTY_ALREADY_EXISTS);
						}

						$arPropFields["CODE"] = $params['PROPERTY_NEW'];
					}

					if(isset($params['NAME']))
					{
						$arPropFields['NAME'] = trim($params['NAME']);
					}

					if(isset($params['SORT']))
					{
						$arPropFields['SORT'] = trim($params['SORT']);
					}

					if(isset($params['TYPE']) && $arField['PROPERTY_TYPE'] != $params['TYPE'])
					{
						if($params['TYPE'] == 'F')
						{
							throw new BitrixMainArgumentException('Cannot change property type to File', "TYPE");
						}
						// elseif($params['TYPE'] == 'L')
						// {
						// 	throw new BitrixMainNotSupportedException(self::ERROR_UNSUPPORTED_PROPERTY_TYPE);
						// }
						else
						{
							$arPropFields['PROPERTY_TYPE'] = $params['TYPE'];
						}
					}

					$ibp = new CIBlockProperty;
					if(!$ibp->Update($arField['ID'], $arPropFields))
					{
						throw new RestException($ibp->LAST_ERROR, RestException::ERROR_CORE);
					}
					return true;
				}
				else
				{
					throw new AccessException();
				}
			}
			else
			{
				throw new RestException('Property not found', self::ERROR_PROPERTY_NOT_FOUND);
			}
		}
		else
		{
			throw new RestException('Entity not found', self::ERROR_ENTITY_NOT_FOUND);
		}
	}
}