1. Make collapse header and content as components

Before creating the collapse, please make sure to create header and content items into components, please refer to this post (Component)

2. Convert to bootstrap Collapse

• select the target item
• click convert to … / Convert to UI Libraries
• choose Bootstrap / Components / Collapse or Bootstrap / Customized / Collapse

Bootstrap / Component / Collapse

• Uses Bootstrap's default collapse header styling

Bootstrap / Customized / Collapse

• Allows you to use your uploaded design to create collapse.

3. Configure the settings