Function setCustomContent

setCustomContent(html): void
JMap.Application.Print.setCustomContent

Sets the custom HTML content displayed in the print layout, in the available area left by the print legend.

The custom content is displayed top-right aligned. Pass null to clear the custom content.
Parameters
- html: null | HTMLElement
  The HTML element to display in the print layout, or null to clear it
Returns void
Throws
if html is not an HTMLElement or null

Example
```
// Add custom content
const content = document.createElement("div")
content.innerHTML = `
  <svg width="120" height="60" viewBox="0 0 120 60">
    <rect width="120" height="60" fill="white" />
    <circle cx="30" cy="30" r="20" fill="red" />
  </svg>
`
JMap.Application.Print.setCustomContent(content)

// Clear custom content
JMap.Application.Print.setCustomContent(null)
```