Process ->
Arg Thread_context : ^&Variables 
    R : HTTPRequest

R.Action = 'add' >>
...

R.Action = 'edit' >>
...

R.Action = 'delete' >>
...

R.Action = 'execute-add' >>
...

R.Action = 'execute-edit' >>
...

R.Action = 'execute-delete' >>
...

>>
Exit ERR_PARAMETER

/