element

UIPanelElementCreate

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container?

"footer" |"body" | {id:string; }

The section of the panel to add the element to. It can be either one of the top-level sections of the panel ("body" or"footer") or a specific container (likeUIGridContainerElement) in the panel ({ id: string }).

placement?

{after:string; } | {before:string; } | {at:"start" |"end"; }

The placement of the element in the target container (based on thecontainer property).