function GraphEx() {
//From Graph to Image
var ss = SpreadsheetApp.openById("1U9_306C0oQoho6AgNM3yxJNvXKpmaPpeMuY76tBOUPs");
var sheet = ss.getSheetByName("DataGraph");
var myChart = sheet.getCharts()[0];
var myChartBlob = myChart.getAs('image/png').copyBlob();
//Inserting Image
const templateDoc = DriveApp.getFileById("1oszFG-YqlV-KReFppBiSE0Ga1vhntTiD7WegEjVqd50");
const newTempFile = templateDoc.makeCopy();
const openDoc = DocumentApp.openById(newTempFile.getId());
const body = openDoc.getBody();
body.replaceText( "Inserted Graph}","");
body.insertImage(1,myChartBlob);
}