Hi @keerthi35 ,
Execution oder oa ACL, BR and Client script
The order of execution be like-
ACL -Purpose of ACL is to ensure what data users can access and hoe they can access it.
Client Script - Runs on browser and used for validation purpose. Client side validation includes making a field mandatory, read only, hidden etc.
UI Policy - This is similar to Client script, except that not need to write a script.
Business Rule - This runs at server side when a form Insert , Update. This can do some action that can be achieved only by running from server.
UI Actions - UI Actions are UI elements that can show up on form or a list as a button, link or context menu.
https://www.servicenow.com/community/developer-blog/a-race-between-ui-policy-and-client-script/ba-p/...
Q2. Which one execute first client script order is 500 and Ui policy order is 100
Client scripts will run first and the UI policy. You can verify it by adding alert messages.
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Thanks & Regards,
Sumanth Meda
