SERVICE REQUEST--TASK TYPE ATTRIBUTE CONFIGURATION

Hi,

I need to update the attached screen--

My update is aimed to "update each task type's Priority,tagged to a certain  service request type"..

Example --

Say, SR type - XYZ,has three types of tasks configured to itself (xyz1,xyz2,xyz3)
When XYZ type of SR is raised,all the above three will be raised,with priorities as defined in the
SERVICE REQUEST--TASK TYPE ATTRIBUTE CONFIGURATION screen(attached)
 
I have many such SR types in my system and huge number of task types configured.

Also, I have different SR types(say PQR) which when created in system,further auto create