SNOW-CAD Practice Question: Application development using ServiceNow Studio
A developer wants to use ServiceNow Studio to create a client script that runs when a form loads and sets a field value based on the current user's department. Which type of client script should be used?
⚠ Common exam trap
Many exam-takers confuse onLoad with onChange, thinking a field change event is needed to set a value, but the requirement explicitly states 'when a form loads', which directly maps to the onLoad client script type.
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
✓
onLoad client script
An onLoad client script runs automatically when a form is opened, making it the correct choice for setting a field value based on the current user's department at the time the form loads. This script type executes in the browser after the form data is retrieved but before the user interacts with the form, allowing immediate field population.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
onLoad client script
Why this is correct
onLoad runs when the form is opened.
- ✗
onChange client script
Why it's wrong here
onChange triggers on field value change, not on form load.
- ✗
onSubmit client script
Why it's wrong here
onSubmit runs on form submission.
- ✗
onCellEdit client script
Why it's wrong here
onCellEdit is for list views, not forms.
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