https://valor-software.com/ngx-bootstrap/#/accordion
<accordion [isAnimated]="true" [closeOthers]="true">
<accordion-group heading="Additional Information" [isDisabled]="false" [isOpen]="false">
<!-- <button class="btn btn-link" accordion-heading type="button">
I can have markup, too!
</button> -->
<span class="badge badge-secondary center">And some HTML here</span>
</accordion-group>
<!-- Dynamic Accordion: https://valor-software.com/ngx-bootstrap/#/accordion#dynamic-accordion -->
</accordion>