Subscribing to Metadata changes pricing

[cchow1100]

I currently have a listener that listens to updates for one of my Firestore collections, I wanted to only display the updated data when they were committed to Firestore. I know that I can listen to metadata changes to determine this, this means that the listener would fire more than once with the same document data (only metadata is updated). My question is: would I be charged for multiple reads when a document's metadata changes and the listener fires multiple times?

[Sam Stern]

Hi there,

That's a good question! No, subscribing to metadata changes won't change anything about billing. It's a purely client-side feature to determine how/when your snapshot listener should fire.

- Sam

On Thu, Feb 25, 2021 at 10:27 AM cchow1100 <ccho...@gmail.com> wrote:

I currently have a listener that listens to updates for one of my Firestore collections, I wanted to only display the updated data when they were committed to Firestore. I know that I can listen to metadata changes to determine this, this means that the listener would fire more than once with the same document data (only metadata is updated). My question is: would I be charged for multiple reads when a document's metadata changes and the listener fires multiple times?

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