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I have implemented Smart home actions as per documentation, i have enabled Home graph api, i got agentUserId from Google Oauth playground, but when i submit agentUserId and service account key in test suite its returns an Error 404 msg: 

Failed to get device list from HomeGraph: Requested entity was not found.

I am able to operate my devices from google home app, but not able to test with test suite.

I am looking for possible reasons.

Sai Prasad Goud
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1 Answers1

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I encountered this today, and was confused as nothing was even trying to contact my server. I had been using the test tool successfully beforehand, so I knew my agentUserId was correct, that HomeGraph API was enabled and my service account was correct. It turned out that I was not currently linked to my Google Home app on my mobile with the same user at the time I was trying to run the test tool. I had unlinked it, therefore the agentUserId was not found on Google's side.

To summarise:

  1. On your mobile link to your test Action
  2. Make sure this is the same user account which you have the agentUserId from - ideally capture a log of your SYNC output and compare
  3. Verify your service account's key in the JSON file you upload is listed in the list of "private_key_id"s in your service account
  4. Try the test tool again whilst you are still linked on your mobile
Adam Hill
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