Field.removeSelectOption(options)
| Method Description | Removes a select option from certain types of select and multiselect fields. This method is usable only in select fields that were added by a front-end Suitelet or beforeLoad user event script. The IDs for these fields always have a prefix of custpage. | 
| Returns | void | 
| Supported Script Types | Client scripts For more information, see SuiteScript 2.x Script Types. | 
| Governance | None | 
| Module | |
| Since | 2016.2 | 
Parameters
The options parameter is a JavaScript object.
| Parameter | Type | Required / Optional | Description | Since | 
|---|---|---|---|---|
| 
                     | string | required | A string, not shown in the UI, that identifies the option. To remove all options from the list, set this field to null, as follows: 
                     | 2016.2 | 
Errors
| Error Code | Thrown If | 
|---|---|
| 
                     | A script attempts to use this method on the wrong type of field. This method can be used only on select and multiselect fields whose IDs begin with the prefix custpage. | 
Syntax
The following code sample shows the syntax for this member. It is not a functional example. For a complete script example, see N/currentRecord Module Script Samples.
          //Add additional code 
...
// Instantiate the field. Note that this method is supported only 
// on fields whose fieldIds have a prefix of custpage. 
var field = call.getField({
    fieldId: 'custpage_select1field'
});
// Remove the appropriate option.
field.removeSelectOption({
    value: 'Option2',
});   
...   
//Add additional code