Combining These Two Scripts - google-apps-script

Question

I'm trying to combine two scripts to run simultaneously but I can't get both of them to run. Below are the two separate scripts.
function onEdit(event) {
var sheet = event.source.getActiveSheet();
var editedCell = sheet.getActiveCell();
var columnToSortBy = 7;
var tableRange = "A2:T399"; // What to sort.
if(editedCell.getColumn() == columnToSortBy){
var range = sheet.getRange(tableRange);
range.sort( { column : columnToSortBy, ascending: false } );
}
}
and
function onEdit(event)
{
var timezone = "GMT-5";
var timestamp_format = "MM-dd-yyyy"; // Timestamp Format.
var updateColName = "Parent Sign-Out";
var timeStampColName = "Timestamp";
var sheet = event.source.getSheetByName('Area Check-in'); //Name of the sheet where you want to
run this script.
var actRng = event.source.getActiveRange();
var editColumn = actRng.getColumn();
var index = actRng.getRowIndex();
var headers = sheet.getRange(1, 1, 1, sheet.getLastColumn()).getValues();
var dateCol = headers[0].indexOf(timeStampColName);
var updateCol = headers[0].indexOf(updateColName); updateCol = updateCol+1;
if (dateCol > -1 && index > 1 && editColumn == updateCol) { // only timestamp if 'Last Updated'
header exists, but not in the header row itself!
var cell = sheet.getRange(index, dateCol + 1);
var date = Utilities.formatDate(new Date(), timezone, timestamp_format);
cell.setValue(date);
}
}
I'm not sure if I need to name them individually. And if so, how would I add the names?

Answer 1

function onEdit(e) {
var sh=e.range.getSheet();
if(sh.getName()=='NameOfSheetYouWantThisToWorkOn') {
if(e.range.columnStart==7) {
e.range.getSheet().getRange("A2:T399").sort({column:7,ascending:false});
}
}
if(sh.getName()=='Area Check-in') {
var headers=sh.getRange(1,1,1,sh.getLastColumn()).getValues()[0];
var dateCol=headers.indexOf("Timestamp")+1;
var updateCol=headers.indexOf("Parent Sign-Out")+1;
if (dateCol>0 && e.range.rowStart>1 && e.range.columnStart == updateCol) {
sh.getRange(e.range.rowStart,dateCol).setValue(Utilities.formatDate(new Date(), "GMT-5", "MM-dd-yyyy"));
}
}
}