Get Multipal Tab Value to One App Script
function saveRange(){
var ss=SpreadsheetApp.getActiveSpreadsheet();
var sheet=ss.getSheetByName('Sample_tab_1');
var range=sheet.getRange('A8:AE47').getValues();
sheet.getRange(sheet.getLastRow()+1, 1, range.length, range[0].length).setValues(range);
}