Open the relevant tab on the left side of Event Temple (Contacts, Bookings, etc).
Select the + Add Filter button at the top of the table on the page.
Select the appropriate filter and parameters from the drop down menus.
Optional: Save the view
Additional Information:
Delete unwanted filters by hovering over it and pressing the black X
You may also add columns to the view by selecting the Column Editor button at the top right side of the page.