Get example for body parameter example by operation

        :param Operation operation: operation object

def get_body_example(cls, operation):
        """ Get example for body parameter example by operation

        :param Operation operation: operation object
        """
        path = "#/paths/'{0.path}'/{0.method}/parameters/{name}".format(
            operation, name=operation.body.name or 'body')
        return cls.get_example_by_schema(operation.body, paths=[path])