def rparser_to_swagger_body_param(request_parser):
    """
    If any parameters are in the request body then return the swagger representation for the requests json body
    :param request_parser: The request parser containing params for the request
    :return:
    """
    json_body_list = [p for p in request_parser.__schema__ if p['in'] == 'body']
    if not json_body_list:
        return

    properties = {}
    for param in json_body_list:
        properties[param['name']] = {
            'type': 'string' if 'type' not in param else param['type']
        }

    return {
        'name': 'payload',
        'required': True,
        'in': 'body',
        'schema': {
            'type': 'object',
            'properties': properties
        }
    }