Unlinked issue count then counter in automation needs to decrement

[thumuluru.shreya]

I created one custom field for counter purpose whenever the D ticket in one project link to A ticket in other project then the counter needs to increment I achieved this in automation but my problem is whenever I unlink the D ticket in A project the counter needs to decrement it means the counter needs to update . How can I achieve this in Automation? or else is there any possibilities to achieve in other approach also? If yes can you guide . Can anyone help on this

[John Funk]

Hi @thumuluru.shreya  - Welcome to the Atlassian Community!

See if this previous post helps you: https://community.atlassian.com/t5/Jira-questions/Automatically-Increment-and-Decrement-Custom-Field-on-Transition/qaq-p/1973553

[Tessa Tuteleers]

Hi @thumuluru.shreya , 

Welcome to the community! 

You could create a new rule and use the "Issue link deleted" trigger to accomplish this. Then you could decrease your running counter field with 1. 

However, can I ask the purpose of this field, there might be other solutions better suited for your needs. 

Cheers, 

- Tessa

[thumuluru.shreya]

Thanks for responding, The purpose of the field is when we link the ticket the counter needs to increment and when we unlink the ticket the counter needs to decrement