How to create a validator for checking whether attachment exists?

Question

I want to add couple validators before moving to the next transition. 1)Whether attachment exists? 2) Whether a particular text such as "client" is present in description.

I tried field required validator for attachment but it doesn't work.

Can someone please help?

Vasiliy Zverev · Answer

See this: https://confluence.atlassian.com/cloud/add-ons-and-plugins-744721612.html

Sharaj · Answer

Any other way?

Sharaj · Answer

Do I need to install this plugin separately?