Function: showWarningMessage()
showWarningMessage(
message, ...items):Promise<string|undefined>
Show a warning message. Optionally provide an array of items which will be presented as clickable buttons.
Parameters
• message: string
The message to show.
• ...items: string[]
A set of items that will be rendered as actions in the message.
Returns
Promise< string | undefined >
A promise that resolves to the selected item or undefined when being dismissed.