Approval workflows need explicit approvers, decision rules and handling for rejection, timeout or changed requests. One approved record does not define every business exception.
Before you start
You should understand tables, records and the difference between client-side and server-side scripts. Work in a development instance with representative permissions. Identify execution scope, transaction timing and the current user before attributing behavior to a platform script or business rule.
The practical goal is to reason through this situation: A request requires approval before fulfillment but returns to review when material details change. Read the walkthrough first, then try the interview exercise before opening its answer. The important part is explaining the decision and its consequences, rather than remembering a definition alone.
Step-by-step walkthrough
Step 1: Identify approved meaning
Record the request version and details the approver reviewed.
Step 2: Define exceptional decisions
Include rejection, delegation, timeout and cancellation.
Step 3: Handle later edits
Material changes may need renewed approval under policy.
Worked scenario
A request requires approval before fulfillment but returns to review when material details change.
A request is approved for a small amount, then edited to a much larger amount before fulfillment. Treating its previous approval as universal permission ignores changed meaning. Freeze relevant details or trigger a new decision process and preserve the audit trail linking approval to its reviewed version.
Common mistake
Allowing edits after approval without a policy can invalidate the approved meaning.
Verify the behavior
Test rejection, changed details, delegation and cancelled requests.
Interview exercise
Define approval completion.
Answer and reasoning
State required decisions, delegation and cancellation rules, and preserve an audit trail of the approved request version.
Continue learning
Compare the scenario with the ServiceNow interview questions and test your understanding with the ServiceNow MCQs. For terminology and implementation details, consult the reference material.