def _check_action_params(reqd_keys, provided_keys):
    """Feedback on the keys provided"""
    log = str()
    for key in provided_keys:
        if key not in reqd_keys + ['type']:
            log += '\n.   - key ' + key + ' not accepted'
    if log != '':
        log += '\n.  - Accepted keys'
        log += '\n.      >'.join(reqd_keys)
    for key in reqd_keys:
        if key not in provided_keys:
            log += '\n key ' + key + ' is missing.'
    return log
