[rt-users] Validating Custom fields against an external datasource

[Kenroy Bennett]

I have a auto-complete custom field  with its data coming from an web
service
The reason for the auto-complete is to prevent users from searching through
the long list of data.

I would like to know if custom validation can be created to validate the
entry in the custom field against an external data source such as a web
service and display a error message.

Is this type of validation possible ?


Thanks,
Kenroy
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