Hello Piotr Janusz
Welcome to Microsoft Q&A Platform, thanks for posting your query here.
The process should be Host -> AMA Agent -> Log Analytics -> Export (Storage Account / EventHub)
Please refer these documents:
https://video2.skills-academy.com/en-us/azure/azure-monitor/logs/logs-data-export?tabs=portal
https://video2.skills-academy.com/en-us/azure/azure-monitor/logs/logs-export-logic-app
Hope this helps.