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Microsoft Flow -> SendPushNotification-> Failed(The provided object identifier was null or missing)

I am continuously getting the following error (400 bad requests) while Sending a Push Notification using Microsoft Flow.

Frequent Visitor

Same here---new to flow/powerapps (taking the Microsoft PowerApps course, in fact).


Here's what I get:

Flow error.jpg



Community Support
Community Support

Hi @Sumitkhorana,


Before using the action Send push notification, have you created a connection to the app properly?


Please click the Connections, then create a connection to PowerApps notification with the proper URL or ID to the Target application.


Please check the following screenshot for a reference.



I have made a test on my side and it works fine.




Hope this doc on sending a notification from a flow could be your reference:



Best regards,

Mabel Mao

Community Support Team _ Mabel Mao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Frequent Visitor

Yes, I tried using the URL and I tried using the AppID. Neither worked. I tried each twice, in fact. 4 failures.

Hi @v-yamao-msft,


I did the same steps and did those a number of times but I am still getting the same.  I then thought may be i am getting this error since I had selected the Asia region. I then created a trail for United States region and again got the same error.  I am not sure whats wrong though. Afterwards, I thought may be App ID isnt working then I gave the Power App complete URL but again got the same failures. I took the Web Link and App ID from Details section of the Power App. 


Many Thanks. 




I am not sure whats wrong but the connector started working without changing anything a couple of days later. 




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