This sheet is open by default with modal backdrop.
HTML id attribute
additional CSS classes
whether the sheet is visible
show backdrop and trap focus
prevent dismiss via outside click or swipe
comma-separated snap point heights in percentages (e.g., "25,50,100")
Accessible label for the sheet (aria-label)
Header content above the drag handle
<:header>Open Sheet</:header> <p>This sheet is open by default with modal backdrop.</p>
Main sheet content