BetaBetaBetaOptionaldefaultValueIndex: numberBetaPlayer to show this dialog to.
Creates and shows this modal popup form. Returns asynchronously when the player confirms or cancels the dialog.
This function can't be called in read-only mode.
BetaOptionaldefaultValue: numberBetaOptionaldefaultValue: string | RawMessage
Used to create a fully customizable pop-up form for a player.
Example: modalFormSimple.ts
Example: effectGenerator.js