How to set Has Breached SLA to true based on the business elapsed percentage.

Supriya KM
Tera Contributor

Hello Everyone,
I have a requirement where I need to set the Has Breached to true for with conditions for Problem SLA as below:
Conditions: SLA - Problem, Business elapsed Percentage - >95 then Has breached to True.
I have written a before update BR on Task_sla table with the above conditions and in the script

current.(backend name_has_breached) = true;
But its not working, can anyone help me in achieving this.