If you are unemployed and want to start a business, you can apply for a start-up grant from the Employment Agency. For this you need the opinion of an expert on your business concept.
If you have a training qualification from abroad, you can apply for official recognition of your training qualification from the Chambers of Industry and Commerce (IHK) in Germany.
If you want to have an event recorded, you must apply for this. There is no obligation to schedule an event. Scheduled events are exempt from certain requirements.