
Import By : If you are importing from someone else’s Eventbrite account, then you can use this option to import the event using the Artist URL of the event. The URL for an Artist is the string located in the ticketmaster.co.uk URL for an event.
Ticketmaster Artist URL : You can get Artist URL from ticketmaster.co.uk

Now you see event you get url of particular artist on click of that event.
Copy this URL and enter it in the large import events by their Artist URL field ( noting you can actually add lots of different URLs – just place them on separate lines )
Import Type : You choose import type one-time Import it will import only once.

Import Type : If you choose scheduled import it will give you option once Daily means event import once in day,once Hourly means one event import hourly,Twice daily means two event import daily, Once month means one event import monthly.
Import Into : You choose WP Event Aggregator into drop-down.
Event Categories for Event Import: This option helps you import events and assign them to the chosen categories.
Status: This option allows you to easily import events into the selected event status.
Author: This option allows you to easily assign the imported event to a specific author.
Once you have everything configured, click the Import button and your events will be added to WP Events.

You can see events on WP Events. so this way you import your Ticketmaster event using Ticketmaster Artist URL.