Custom scripts driving me nuts (prefix selection)

[Mats Brorson]

Trying to get a selection of prefixes with no luck.

 I try the following:

    prefix = ObjectVar(

        model=Prefix,

        required=True,

        label='Prefix'

    )  

I have mountains of prefixes, but the list shows nothing when klicking on the dropdown.

Am I missing some parameters here?

[Jeremy Stretch]

The ObjectVar widget will populate options using the "name" field by default. Since prefixes do not have a name, you need to specify an alternate field using the display_field argument, like this:

prefix = ObjectVar(
    model=Prefix,
    required=True,

    display_field='prefix',
    label='Prefix'
)

This will populate the list with the value of the "prefix" field from each object returned by the REST API. Hope that helps!

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Jeremy Stretch

Founder

NetVerity, LLC

[Brian Candler]

Note that this feature was removed from Netbox 3.0 onwards.  The release notes for 3.0 say:

* The `display_field` keyword argument has been removed from custom script ObjectVar and MultiObjectVar fields. These widgets will use the `display` value provided by the REST API.