SNOW-CSA Service Catalog and Workflows Practice Question
A catalog item uses a workflow with a 'Run Script' activity that contains a script to update a custom table. The script works correctly when executed manually in the Scripts Background, but fails when invoked by the workflow. What is the most likely reason?
⚠ Common exam trap
ServiceNow often tests the misconception that a script's behavior is identical in all execution contexts, but the trap here is that candidates overlook the security context difference between Scripts Background (admin privileges) and workflow execution (workflow user privileges), leading them to choose a generic scripting error like undefined variables or API misuse.
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 workflow runs with a different security context, causing permission issues
The most likely reason is that the workflow runs under the security context of the workflow engine (typically the 'workflow' user or the system user), not the current user's context. When the script is executed manually in Scripts Background, it runs with the full privileges of the admin user, which may include write access to the custom table. In contrast, the workflow's Run Script activity may lack the necessary ACL permissions (e.g., write or create) on the custom table, causing the GlideRecord update to fail silently or throw an error.
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 workflow runs with a different security context, causing permission issues
Why this is correct
Background scripts run as the user executing them, while workflow scripts may run as system or a designated user with different rights.
- ✗
The workflow script references a variable that is undefined in that context
Why it's wrong here
An undefined variable would cause a script error in both manual and workflow execution.
- ✗
The script uses incorrect GlideRecord API methods
Why it's wrong here
If the script works manually, API usage is likely correct.
- ✗
The workflow is in draft mode
Why it's wrong here
A draft workflow would not execute, so no failure would occur.
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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.