You are reading 12.7.0. See this page in 13.4.1.
ErrorResponse
Extended by ContactsAuthorizationResponseFailureResponseLocationAuthorizationResponseMediaAuthorizationResponseReadCallbackArgsRequestCameraAccessResultRequestMusicLibraryAccessResultRequestPermissionAccessResultRequestPhotoGalleryAccessResultRequestStorageAccessResultSuccessResponseWriteCallbackArgs
Properties used in any event or callback which needs to report a success or failure.
Properties 3
code
NumberError code. Returns 0 if success is true.
Error code will be 0 if success is true, nonzero otherwise. If the error
was generated by the operating system, that system's error value is used.
Otherwise, this value will be -1.
error
StringError message, if any returned.
Will be undefined if success is true.
success
BooleanIndicates if the operation succeeded.
Returns true if request succeeded, false otherwise.