Click on the big blue button in the middle and select the calendar (Add entry). Select the type (appointment, illness, medication, task, training or own entry). Add additional information, the horse in question, persons, time period and notes if necessary and confirm with done.
Appointments, tasks, trainings and medication are displayed on the start page and in the calendar.
Diseases are added to the health record.
The following video shows how to add medications with the example of a vaccination: