Check if schema has property
        :param property_name: str, name to check
        :return: bool

def has_property(self, property_name):
        """
        Check if schema has property
        :param property_name: str, name to check
        :return: bool
        """
        if property_name in self.properties:
            return True
        elif property_name in self.entities:
            return True
        elif property_name in self.collections:
            return True
        else:
            return False