how to open by default p-panelMenu

Question

My english is very poor. but how to expand or open p-panelMenu by default

 <p-panelMenu [model]="items" id="myPanel" [style]="{'width':'100%'}" [multiple]="true" ></p-panelMenu>

I need this menu is opened by default.

Answer 1

You can make use of the expanded attribute

Set expanded: true in your respective array,

Stackblitz => https://stackblitz.com/edit/primeng-template-px2sek