How to scroll in Webview

How to scroll in webview using appium 6.0.0.Beta4
Im using selenium 3.11.0
appium server 1.8.0
Java 8.0
As touch action is not available for webview scrolling im getting Method not implemented error.
So can any one suggest me how to Scroll in Webview of Android

same way you scroll in a web application

window.scroll(0,250); execute using java script executor statement. - This will scroll vertical downwards