Retrieve all enabled user groups.

    .. versionadded:: 2016.3.0

    :param _connection_user: Optional - zabbix user (can also be set in opts or pillar, see module's docstring)
    :param _connection_password: Optional - zabbix password (can also be set in opts or pillar, see module's docstring)
    :param _connection_url: Optional - url of zabbix frontend (can also be set in opts, pillar, see module's docstring)

    :return: Array with enabled user groups details, False on failure.

    CLI Example:
    .. code-block:: bash

        salt '*' zabbix.usergroup_list

def usergroup_list(**kwargs):
    '''
    Retrieve all enabled user groups.

    .. versionadded:: 2016.3.0

    :param _connection_user: Optional - zabbix user (can also be set in opts or pillar, see module's docstring)
    :param _connection_password: Optional - zabbix password (can also be set in opts or pillar, see module's docstring)
    :param _connection_url: Optional - url of zabbix frontend (can also be set in opts, pillar, see module's docstring)

    :return: Array with enabled user groups details, False on failure.

    CLI Example:
    .. code-block:: bash

        salt '*' zabbix.usergroup_list
    '''
    conn_args = _login(**kwargs)
    ret = {}
    try:
        if conn_args:
            method = 'usergroup.get'
            params = {"output": "extend", }
            ret = _query(method, params, conn_args['url'], conn_args['auth'])
            return ret['result']
        else:
            raise KeyError
    except KeyError:
        return ret