Define what should be displayed in the sidebar's main header slot for node or edges.
Optional
Custom renderer for the main header. This content will override the default sidebar main header.
undefined Copy
undefined
(element) => `element id: ${element.id}` Copy
(element) => `element id: ${element.id}`
A returned string renders as plain text; return an HTMLElement to render HTML.
string
HTMLElement
Define what should be displayed in the sidebar's main header slot for node or edges.