How Populate a third dropdown value based on two prior selected dropdown options

[Supriya25]

Hi Team,

How Populate a third dropdown value based on two prior selected dropdown options??

Dropdown 1 has 30+ values

Dropdown 2 has 15+ values

Dropdown 3 has 4 values

based on Dropdown 1 and 2 values selection Dropdown 3 field should be auto-populated .

How can achieve it in best practice way.???

[Amit Verma]

Hi @Supriya25 

Please refer below posts :

https://www.servicenow.com/community/developer-forum/client-script-to-populate-drop-down-variable-ba...

https://www.servicenow.com/community/itsm-forum/how-to-populate-dropdown-values-based-on-another-dro...

Thanks & Regards

Amit Verma