* Order of Execution Rules:
* Step 1: Original record is loaded from the database.
* Step 2: Field-level validations are performed, including maximum field lengths.
* Step 3: Old values are overwritten with new record values.
* Step 4: JavaScript validation runs in the browser.
References:Order of Execution Rules:https://developer.salesforce.com/docs/atlas.en-us.238.0.salesforce_appdevelopment.meta/salesforce_appdevelopment/apex_triggers_order_of_execution.htm