Parse Rest API - Push Notification With Advanced Targeting Error

Question

I have asked this question on Parse's forum but received no replies in 14 hours, so I am falling back on what was my first choice anyway, good ol SO.

I am testing sending push notifications using a query. I am pretty sure that I am using the correct installation id in the query. But the push is not getting sent to my device. Maybe there is something wrong with the syntax?

curl -X POST \
  -H "X-Parse-Application-Id: xxx" \
  -H "X-Parse-REST-API-Key: yyy" \
  -H "Content-Type: application/json" \
  -d '{"where":{"id":{"in":["8e40a0b9-edef-442b-ad1a-3b5eb8c7fd8b"]}},"data":{"alert":"d"}}'\
  https://api.parse.com/1/push

Which gives the response:

{"result":true}

But the notification is not sent. On Parse's dashboard I see following:

Anyone here with experience with Parse API, know what might be wrong with my query or request? Also, if anyone has an opinion on this let me know: Do you see any potential problem with using the in query as done above if there are say 100s of installation ids that need to be notified?

Answer 1

Found the solution. Two things were wrong with my query: First I was using in instead of $in. Second, my constraint was on id, it needed to be installationId. Following worked:

curl -X POST \
  -H "X-Parse-Application-Id: xxx" \
  -H "X-Parse-REST-API-Key: yyy" \
  -H "Content-Type: application/json" \
  -d '{"where":{"installationId":{"$in":["8e40a0b9-edef-442b-ad1a-3b5eb8c7fd8b"]}},"data":{"alert":"d"}}'\
  https://api.parse.com/1/push