Currently, you can do various things with the C# code reference. Getting an parameter from an element etc.
What I'm missing for the apps that are available, Ticketing, Jobs etc. to also have methods provided(Create Job, Edit Job, Delete Job, Create JobDomain), (Create Ticket, Create TicketDomain) etc..
Internally we have solutions for this, but perhaps such methods as above could general be available for customers and supported through the official DataMiner help.
This is possible in automation script using the api-helper methods. As you need to setup the helper its not always possible to create standalone methods to create ticket etc.
There is also a very good client-side UI available to manage jobs and tickets which should be the recommended way to use.