# Which function allows templates to fail with a custom error if a required value is missing?

Helm, Medium (Advanced), Templates. https://k8wiz.com/uquiz/which-function-allows-templates-to-fail-with-a-custom-error-if-a-required-value-is-missing

- A. required
- B. must
- C. assert
- D. fail

**Answer:** required

**Explanation:** The required function throws an error during template rendering if a value is missing, helping enforce required configuration.