How to invoke Script Include by clicking on Pickup List? Or How to use Reference Qualifier in Service Now

This blog explains about how to invoke 'Script Include' by clicking on any 'Pickup List'

Use case : Display all the 'Configuration Items' based on selected value for 'Reported By' field on Incident form.

- Go to 'Script Includes'  in 'Applications Navigator'
- Create New, Give proper name and write the logic whatever you want in your script

- Go to 'Create new Incident' form
- Right click on 'Configuration Item' label, choose 'Configure Dictionary'
- Go to 'Reference Specification' tab
- Select 'Advanced' for 'Use Reference Qualifier' list of values
- Provide correct value for 'Reference qual'

- Now, Verify the functionality , Select value for 'Reported By' and click on 'Configuration Item' pickup list, you should see only configuration items associated to 'Reported By' selected value.