What are the Limitations of Push Amplification™ Plus?

Push Amplification™ Plus helps marketers improve the delivery of their push notifications by up to 40% so that their message can reach more and more users.  As beneficial as it is, Push Amplification™ Plus also has certain limitations for its direct delivery service.

From an SDK point of view, Push Amplification™ Plus exists only for the following SDKs from certain versions onwards: 

Here are the limitations for direct delivery service (not applicable to fallback delivery service):

1. The fallback mechanism of Push Amplification™ is not supported since the primary delivery service has a high delivery rate of up to 75%-95%.
2. Custom display (where notification display is handled by the client app by passing key-value pairs in the payload or directly consuming the MoEngage payload) is not supported for Push Amplification™ Plus enhanced delivery service.
3. The maximum length supported for the title is 40 characters including spaces and for the message is 1024 characters including spaces.
4. Huawei doesn't provide support for the notification image. However, small app icons and large icons are supported.
5. We do not support: 
   • Support for data payload. Data payloads: Sending data payloads isn't supported.
   • Customized notification channel: We do not support the out-of-box channels provided by Huawei. You can use your custom channel or MoEngage default channel. But for HMS, in case of any incorrect setup, the default channel will not work as Fallback the way it works for FCM. 
   • Customizing notification message icons
6. Other limitations for direct delivery service (and not applicable to fallback delivery service)
   • Notification Cleared Event will not be tracked.
   • Notification Center will only have clicked notifications.
   • Notification clear callback will not work.
   • Notification received callback will not work.
   • Push Templates will not work, only basic push is supported.
   • Customizing Push display properties will not work.
   • Controlling display via Key-Value Pairs will not work.