API URL/grp/del
    DescriptionDelete CMS groups/roles via list RESTFul API
    AccessRestricted to roles: admin, demo (r/o)
    Rquest methodPOST
    Request data typeRequest raw data
    Request data
    [ // group list to be deleted [ // array per group { 'id': 'group code', // ex. 'demo' 'rel': 'remove related users' // [0 | 1], default: 0 } ] ... ]
    Response typeJSON
    Response data
    { rc: 'return code', // '0' - success, '1' - error msg: 'return message' // error message }