SNOW-CSA Application Rules, ACL and Notifications Practice Question
A business rule is set to run on 'before update' on the 'incident' table. The script updates 'current.description' and then calls 'current.update()'. What is the likely outcome?
⚠ Common exam trap
It's easy for candidates to assume `current.update()` is always safe or that it simply updates the record once, but ServiceNow's before business rules are designed to avoid explicit update calls to prevent recursion.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The script causes a recursion error or multiple updates.
In ServiceNow, calling `current.update()` inside a 'before update' business rule triggers a recursive loop because the update operation re-invokes the same business rule. The platform detects this recursion and typically throws an error or causes multiple updates, leading to the described outcome. Option B is correct because the script explicitly calls `current.update()`, which is prohibited in before business rules to prevent infinite loops.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The description is updated and no error occurs.
Why it's wrong here
Recursion will occur.
- ✓
The script causes a recursion error or multiple updates.
Why this is correct
current.update() triggers the same business rule again.
- ✗
The script fails silently because current.update() is not allowed in before business rules.
Why it's wrong here
It is allowed but causes recursion.
- ✗
The script runs but the description is not updated.
Why it's wrong here
The update will be attempted but may cause error.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SNOW-CSA practice question is part of Courseiva's free ServiceNow certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SNOW-CSA exam.