Dear @Saban

Below is a simple example of accordion:

<mdb-accordion [multiple]="false">
  <mdb-accordion-item [collapsed]="false">
    <mdb-accordion-item-head>Collapsible Group Item #1</mdb-accordion-item-head>
    <mdb-accordion-item-body>
      Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute,
      non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt
      aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft
      beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat
      craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable
      VHS.
    </mdb-accordion-item-body>
  </mdb-accordion-item>

  <mdb-accordion-item>
    <mdb-accordion-item-head>Collapsible Group Item #2</mdb-accordion-item-head>
    <mdb-accordion-item-body>
      Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute,
      non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt
      aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft
      beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat
      craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable
      VHS.
    </mdb-accordion-item-body>
  </mdb-accordion-item>

  <mdb-accordion-item>
    <mdb-accordion-item-head>Collapsible Group Item #3</mdb-accordion-item-head>
    <mdb-accordion-item-body>
      Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute,
      non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt
      aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft
      beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat
      craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable
      VHS.
    </mdb-accordion-item-body>
  </mdb-accordion-item>
</mdb-accordion>

For more information I refer you to : https://mdbootstrap.com/docs/angular/advanced/accordion/#o-basic-accordion

Best Regards, Bartosz.