Starting-the-SaaS-service.md

+**This is a mandatory step**
+
+**I repeat, this is a mandatory step**
+
+You must start the SaaS service from the Launcher activity of your app. 
+
+From `onCreate()` of your Launcher activity you must call :  `ReveSaaS.start(this); `
+
+**Sample Code:**
+
+```
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        ReveSaaS.start(this);
+    }
+
+    public void openDialer(View view) {
+        ReveSaaS.launchDashboard(view.getContext());
+    }
+}
+```
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