public void setElementDefaultAction(Integer index, String type, String url, Boolean messenger_extensions, String webview_height_ratio, String fallback_url)
    {
        this.elements.get(index).put("default_action_type", type);
        this.elements.get(index).put("default_action_url", url);
        this.elements.get(index).put("default_action_messenger_extensions", String.valueOf(messenger_extensions));
        this.elements.get(index).put("default_action_webview_height_ratio", webview_height_ratio);
        this.elements.get(index).put("default_action_fallback_url", fallback_url);
    }
public void setElementDefaultAction ( Integer index , String type , String url , Boolean messenger_extensions , String webview_height_ratio , String fallback_url ) { this . elements . get ( index ) . put ( "default_action_type" , type ) ; this . elements . get ( index ) . put ( "default_action_url" , url ) ; this . elements . get ( index ) . put ( "default_action_messenger_extensions" , String . valueOf ( messenger_extensions ) ) ; this . elements . get ( index ) . put ( "default_action_webview_height_ratio" , webview_height_ratio ) ; this . elements . get ( index ) . put ( "default_action_fallback_url" , fallback_url ) ; }
Set Element Default Action

@param index the element index
@param type the element type
@param url the element url
@param messenger_extensions the messenger extensions
@param webview_height_ratio the webview height ratio
@param fallback_url the fallback url