in Code.gs [105:117]
function highlightData(a1_range) {
var sheet = SpreadsheetApp.getActiveSheet();
try {
var range = sheet.getRange(a1_range);
if(a1_range.length == 3) {
sheet.setActiveSelection(sheet.getRange(range.getRow(),range.getColumn(),range.getHeight()));
} else {
sheet.setActiveSelection(range);
}
} catch(e) {
throw "The range entered was invalid. Please verify the range entered.";
}
}