LWCIntermediateapp-builderdesign-attributes
Design LWC for Lightning App Builder admin configurability
Real World Scenario
Admins cannot toggle component features without developer deployment.
Expected Answer
• design attributes in meta xml boolean string picklist
• Read design values in connectedCallback configuring behavior
• Sensible defaults when admin leaves blank
• Help text on each design attribute in meta
• Validate design attribute combinations gracefully
• Document admin guide with screenshots per attribute
Follow-Up Questions & Answers
Click to expand — each follow-up includes a direct, interview-ready answer
Direct answer: design attributes in meta xml boolean string picklist Also consider: Read design values in connectedCallback configuring behavior In practice: Sensible defaults when admin leaves blank Balance speed of delivery with maintainability.
Architect Perspective
Configurable components reduce deployment churn—expose safe toggles not internal constants.