If you want to register treatments and vaccinations on your actionlistyou open it by clicking “Management” and then “Actionlistyou then get this window 

 

Figur 

 

Then Click “Setup”, marked by the green circleand you will see a window like this: 

 

 

 

Here you find the vaccination or the treatment you want by clicking the “Layout setup”-icon  and then search for ”*vaccination*” and then choose the vaccinations you wanon your action list or search for ”*castration*” and then you can get castration/baycox on your action list.