Based on Group (New field) selected the list of names should be displayed in Assignee list instead o

[Rathnaa Preyaa Thayalan]

Jira Automation - How to do "Based on Group (New field) selected the list of names should be displayed in Assignee list instead of all the names"

[Nic Brough -Adaptavist-]

Assignee options are controlled by permissions - the permission scheme has a line for "can be assigned issues".  You can use fields and groups in there (assuming it's a company-managed project)

[Trudy Claspill]

The Permission Scheme doesn't support a method to say:

"If Custom Field 1 is set to X then allow only these users to be Assignable to the issue."

[Nic Brough -Adaptavist-]

It does, if the field is of the right type!

You can say things like:

• Assignable user = user called Alice
• Assignable user = Group called "Bob's friends"
• Assignable user = Role called Developers
• Assignable user = Group-picker field called "Based on Group"

The trick is the last one - if you select group "Alice's friends" for "Based on Group" in an issue, then you'll be able to assign the issue to any of Alice's friends (as well as Alice, Bob's friends, and Developers)

[Trudy Claspill]

Cool! I learned something new (or something I forgot).

Thanks @Nic Brough -Adaptavist- !

[Trudy Claspill]

Hello @Rathnaa Preyaa Thayalan 

Welcome to the community.

This cannot be done with an Automation Rule.

You might be able to implement the solution suggested in this post:

https://community.atlassian.com/t5/Jira-questions/How-can-we-Restrict-Assignee-field-based-on-custom-field-value/qaq-p/1848815

However, Jira Cloud natively does not provide a Single User Picker field that can be based on a filter. You would have to find a third party app that would add that kind of custom field to your instance.