Using the card component, you can extend the default collapse behavior to create an accordion.

You can use a target with the data-parent attribute, you need to add ID of parent element.

In all cases, the data-toggle="collapse" is required.

Refer following links for usage:

Type	URL
Bootstrap Page	https://getbootstrap.com/docs/4.1/components/collapse/
Template Page	https://pixinvent.com/demo/convex-bootstrap-admin-dashboard-template/demo-1/components-accordion.html