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Dialog objects are dispatched by page via the event Page.Dialog event.

An example of using Dialog class:

using Microsoft.Playwright;
using System.Threading.Tasks;

class DialogExample
public static async Task Run()
using var playwright = await Playwright.CreateAsync();
await using var browser = await playwright.Chromium.LaunchAsync();
var page = await browser.NewPageAsync();

page.Dialog += async (_, dialog) =>
await dialog.DismissAsync();

await page.EvaluateAsync("alert('1');");

Dialogs are dismissed automatically, unless there is a event Page.Dialog listener. When listener is present, it must either Dialog.AcceptAsync(promptText) or Dialog.DismissAsync() the dialog - otherwise the page will freeze waiting for the dialog, and actions like click will never finish.


Added in: v1.8
  • promptText <string?> A text to enter in prompt. Does not cause any effects if the dialog's type is not prompt. Optional.#
  • returns: <void>#

Returns when the dialog has been accepted.


Added in: v1.8

If dialog is prompt, returns default prompt value. Otherwise, returns empty string.


Added in: v1.8

Returns when the dialog has been dismissed.


Added in: v1.8

A message displayed in the dialog.


Added in: v1.8

Returns dialog's type, can be one of alert, beforeunload, confirm or prompt.