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URL parameters

You can specify additional query parameters in wsEndpoint URL:

arg​

Additional command line arguments to pass to the browser binary. Corresponds to Playwright args launch option.

Example: arg=--arg1&arg=--arg2=value

env​

Additional environment ariables to set in browser pod/container. corresponds to Playwright env launch option.

Example: env=VAR1=val1&env=VAR2=val2

headless​

If set to false the browser is started in headful mode under X Server and with VNC enabled. If set to true (default) browser is started in headless mode. Corresponds to Playwright headless launch option.

Also see Chrome headless notes.

channel​

Browser distribution channel. Requires additional binaries inside the images.

Corresponds to Playwright channel launch option.

Set to chromium to start Chrome/Chromium in "new headless" mode. Also see Chrome headless notes.

firefoxUserPref​

Firefox user preferences

Corresponds to Playwright firefoxUserPrefs launch option.

Example: firefoxUserPref=int.pref=1&firefoxUserPref=bool.pref=true&firefoxUserPref=str.pref=qwerty