Agile is simply a framework for effective and efficient teamwork in software development. So, to get Agile Scrum Master certification, you need to master the framework, and then become a Scrum Master. You can easily master the framework and become a Scrum Master by enrolling yourself in an Agile Scrum Master training course. The course will consist of videos and lectures, and will teach you all the necessary things you need to know, like the origins and concepts of Agile, the frameworks, best practices, etc. You would have to apply those to your day-to-day work in order to become a good certified Scrum Master
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