Hi @C_T_R_L, I added a translation of your question to the post. Our users come from different corners of the world, so, in the future, in order to get it answered in a shorter time, please use English as it is the primary language of our forum 😊
Here are some great videos from @andreas_grabner about SLOs, how to use them in Dynatrace, with some potential use cases that can be useful also for you:
Getting Started with SLOs in Dynatrace
7 SLOs to get started with using Dynatrace
Explain, Define, Implement and Scale SLOs in less than 60 Minutes
Automating SLOs (Service Level Objectives) with Dynatrace
All of them have subtitles, so you can transcribe them automatically via YouTube to the language of your choosing.