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The application setup process consists of the following steps:

Step A: Enable Google Firebase Cloud Messaging with FCM for Mapp Cloud - allow your app to send and receive Push Notifications.
This is done by creating an Android app, get a Google Project ID and an API key, and then enable the Google Cloud Messaging (GCM) service.

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Note
An application has two environments: Development and Production. Since FMC FCM serves all Push notifications, you must distinguish between the Development and Production environments through your Mapp cloud setup. The best practice is to create a separate app for each environment (these two apps may share the same Google Project ID and API key).

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