Add FcmOptions attr to Message dataclass

async_firebase/messages.py

@@ -282,6 +282,16 @@ class WebpushConfig:
     fcm_options: t.Optional[WebpushFCMOptions] = field(default=None)
 
 
+@dataclass
+class FcmOptions:
+    """
+    Platform independent options for features provided by the FCM SDKs
+    Arguments:
+        analytics_label: Label associated with the message's analytics data.
+    """
+    analytics_label: str
+
+
 @dataclass
 class Message:
     """
@@ -299,6 +309,7 @@ class Message:
     token: the registration token of the device to which the message should be sent.
     topic: name of the Firebase topic to which the message should be sent (optional).
     condition: the Firebase condition to which the message should be sent (optional).
+    fcm_options: platform independent options for features provided by the FCM SDKs.
     """
 
     token: t.Optional[str] = None
@@ -309,6 +320,7 @@ class Message:
     apns: t.Optional[APNSConfig] = field(default=None)
     topic: t.Optional[str] = None
     condition: t.Optional[str] = None
+    fcm_options: t.Optional[FcmOptions] = None
 
 
 @dataclass