Update expiration time of a google push notification channel

Question

I am currently developing a web API where I need to listen for Google Calendar updates. I have therefor implemented the google push notifications for PHP following the documentation and everything works fine (Receiving notifications).

The problem I have is that I would like to update the channel expiration time so I don't have to create a new one every time. That is a waste of GPU and API requests, because as the documentation indicates, every time you create a new channel you start with a full initial sync (Synchronize Resources Efficiently) .

Instead, I would like to always make incremental synchronization. Any ideas on how to update the "expiration" field ?

user_10612011 · Answer

Answer:

You cannot update the channel expiration time, you have to create a new one.

Reference:

From the link you provided, Renewing notification channels:

Currently there is no automatic way to renew a notification channel. When a channel is close to its expiration, you must create a new one by calling the watch method.

Update expiration time of a google push notification channel

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Answer:

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