You can set an event to automatically stop selling online once a designated capacity/quantity has been reached. Here are the instructions on how to do this:

1. Login to the admin page of your TicketSocket site

2. Click on Events

3. Select the event you would like to limit the capacity/quantity to

4. Scroll down to the "Dates" section on the General tab

5. Enter in the desired quantity in the "Cutoff Qty" section

6. Save