Updating multiuser picker field for existing ticket

[Lingesh BN]

Hi,

i am looking for groovy script to update all the tickets using script runner console.

use case : I want to search and remove the inactive users from multi user picker field from existing tickets which were already created and updated.

These multi user picker filed can contain users who already in active in Jira.

So i want to search and remove such users from multi user picker field and update all those tickets using script console.

i am working on this but unable to get a working script, your help will be really appreciated.

regards
Lingesh