I search for an automatically sync for the holiday schedules. I have many different holliday schedules. At the moment I must add manually each holiday per year. Is there a possibility to do that automaticly?
I am not aware of automatic way to achive that, does not look like the API exposes this either:
You can create schedules (including holidays) via the Connection REST API - the .NET CUPI SDK has a pretty extensive developers guide with it that contains a section on Schedules which talks about the object model - Schedule Sets which contain Schedules which in turn contain Schedule Details. Even if your project is not .NET, it's worth a read through to get your bearings. If you are using .NET you can create simple system schedules and holidays with just a couple lines of code: