The administrators have set up a series of templates and the users can start selecting the relevant template to apply for the event. 

For more information on Event Template creation, please refer to this article -

Who can use the Template?

Subject to your entitlement, you will have the access rights to use the event template.

If you are not able to perform this task, please check with your administrator on your access. 

How to use the Event Template?

From the list of Event Templates, you can click on the Event Name to view and conclude if this is the format that you prefer. 

The templates can be blocked and control by the authorisers; hence, your view may be "View Only Mode"

Once you find the suitable template, simply click on "Use this Template"; else you can go to "Back to Template List" to check on other templates. 

Now, you are all set to create your event from the template that you selected. 

Related Article(s):

Event Template Management