# Class webdriver.promise.CancellationError

code »

    Error
      └ goog.debug.Error
          └ webdriver.promise.CancellationError

Error used when the computation of a promise is cancelled.

## Constructor

webdriver.promise.CancellationError ( opt_msg )

Parameters
opt_msg: `string=` The cancellation message.

Show:Public Protected Private

## Static Properties

code »webdriver.promise.CancellationError.superClass_ : `goog.debug.Error.prototype`