- A
UI Policy order is too high
Why wrong: Order affects execution priority but would not prevent the policy from running altogether.
- B
Field type is not string
Why wrong: Field type is irrelevant; UI Policies can work with any field type.
- C
UI Policy is set to 'Run script' only
Why wrong: If set to script only, it would run the script but not apply UI actions like mandatory; however, the question states mandatory is not working, which could be due to this, but a syntax error is a more common root cause.
- D
Condition script has syntax error
A syntax error will break the condition evaluation, preventing the UI Policy from applying its actions.
Question 98 of 520
Troubleshooting UI Policy Mandatory Field: Condition Script Syntax Error
This SNOW-CSA practice question tests your understanding of ui, navigation and forms. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A UI Policy is intended to make a field mandatory when another field equals 'Yes', but the mandatory condition is not working. What is a common cause?
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
✓
Condition script has syntax error
Option D is correct because a syntax error in the condition script will cause the UI Policy to fail silently. When the script encounters an error (e.g., a missing semicolon, undefined variable, or incorrect operator), the entire condition evaluates to false, so the mandatory field action never triggers. UI Policies execute client-side in the browser, and syntax errors prevent the script from running at all, making the mandatory condition appear non-functional.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
UI Policy order is too high
Why it's wrong here
Order affects execution priority but would not prevent the policy from running altogether.
- ✗
Field type is not string
Why it's wrong here
Field type is irrelevant; UI Policies can work with any field type.
- ✗
UI Policy is set to 'Run script' only
Why it's wrong here
If set to script only, it would run the script but not apply UI actions like mandatory; however, the question states mandatory is not working, which could be due to this, but a syntax error is a more common root cause.
- ✓
Condition script has syntax error
Why this is correct
A syntax error will break the condition evaluation, preventing the UI Policy from applying its actions.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume a UI Policy with a syntax error will show an error message or that the 'Run script' option (Option C) is the culprit, but in reality, the condition script executes first and a syntax error prevents the entire policy from applying, including mandatory actions.
Detailed technical explanation
How to think about this question
UI Policies use a client-side JavaScript engine (GlideUI) to evaluate conditions. If the condition script contains a syntax error, the browser's JavaScript interpreter throws an exception, and the entire UI Policy is skipped. This is different from a business rule, where a syntax error might log an error but still allow partial execution. In practice, a common mistake is using '===' instead of '==' or forgetting to close parentheses in the condition script, which causes the policy to silently fail without any visible error to the user.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the SNOW-CSA exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
UI, Navigation and Forms — study guide chapter
Learn the concepts, then practise the questions
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Targeted practice on this topic area only
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FAQ
Questions learners often ask
What does this SNOW-CSA question test?
UI, Navigation and Forms — This question tests UI, Navigation and Forms — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Condition script has syntax error — Option D is correct because a syntax error in the condition script will cause the UI Policy to fail silently. When the script encounters an error (e.g., a missing semicolon, undefined variable, or incorrect operator), the entire condition evaluates to false, so the mandatory field action never triggers. UI Policies execute client-side in the browser, and syntax errors prevent the script from running at all, making the mandatory condition appear non-functional.
What should I do if I get this SNOW-CSA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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.
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