remove a dropdown option from the choice list

[Prasnajeet1]

Hi All

I have a small query.

I am writing a onChange client script. my requirement is if "model_category" = "computer" then I need to remove a option from the "substatus" field in the alm_hardware table. model_category is a read-only reference field.

Below is my script.

onChange client script: is not working.

field: State

unction onChange(control, oldValue, newValue, isLoading, isTemplate) {

    if (isLoading || newValue === '') {

        return;

    }

    if (g_form.getValue('model_category') == '81feb9c137101000deeabfc8bcbe5dc4') {

        alert('test');

        g_form.removeOption('substatus', 'lease_return');

    }

Above script is working in onLoad client script but not working in OnChange client script. Can someone please help me. Where I am doing wrong or what need to change in it.

function onLoad() {

    //Type appropriate comment here, and begin script below

    if (g_form.getValue('model_category') == '81feb9c137101000deeabfc8bcbe5dc4') {

       g_form.removeOption('substatus', 'lease_return');

    }

}

}

[Subhashis Ratna]

Hi @Prasnajeet1 

For me it's working . could u please retry and let me know .

Scenario : When Caller is "Abel Tuter" then Remove "Chat" Option from Channel.

function onChange(control, oldValue, newValue, isLoading, isTemplate) {
   if (isLoading || newValue === '') {
      return;
   }

   //Type appropriate comment here, and begin script below

   if (g_form.getValue('caller_id') == '62826bf03710200044e0bfc8bcbe5df1') { // Caller = "Abel Tuter"
        alert('test'); 
        g_form.removeOption('contact_type', 'chat');
    }
   
}

 CS :

O/P :
Now You can see the Caller is "David Milller" and Channel has same "Chat" option.

after Caller changes to "Abel Tuter" , "Chat" option is not available in Channel.

Note : If you are trying to remove a specific choice value from a variable , then kindly go through these links :

Link 1 : https://www.servicenow.com/community/developer-forum/g-form-removeoption-is-not-working-on-the-varia...

Link 2 : https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB0678206

Please mark this comment as Correct Answer/Helpful if it helped you.

Regards,

Subhashis

[Amit Pandey]

Hi @Prasnajeet1 

Your script seems to be Okay. Have you selected correct field name? I think it should be Model Category instead of State. Try changing UI Type to All. And also, you can give a try to following script-

function onChange(control, oldValue, newValue, isLoading, isTemplate) {
    if (isLoading || newValue === '') {
        return;
    }
    var modelCategory = g_form.getDisplayValue('model_category');
 
    if (modelCategory == 'computer') {
        g_form.removeOption('substatus', 'lease_return');
    }
}

 
Please mark my answer helpful and correct.

Regards,
Amit