Assigning by default an owner to category

Hello,
we have a client who use RTC 4.0.4 and needs to have by default associated an owner to a Category so that whenever a new WI is created and in the field Files Against a certain Category is chosen then the appropriate Owner (already agreed in the team ) shows up in the field Owned By.
Is that possible ?
Thank you,
Zica
we have a client who use RTC 4.0.4 and needs to have by default associated an owner to a Category so that whenever a new WI is created and in the field Files Against a certain Category is chosen then the appropriate Owner (already agreed in the team ) shows up in the field Owned By.
Is that possible ?
Thank you,
Zica
Accepted answer

You could write a server-side participant (follow-up action) and set the OwnedBy field based on the value of the FiledAgainst field. I don't believe there is any way to configure RTC directly to do this.
Comments

I agree with Susan.
There is no built in capability available in RTC to achieve that.
A default value provider would not work, because the category is not available when creating the work item.
A script based value provider could be a solution, however, due to the limitations of the JavaScript API you would have to hard code the users UUID into the script.
A java based value provider would be another option.
The probably best option would be to create a participant triggered by server save.

Thank you both for your suggestions!