The Cloud Firestore metrics are sampled every minute, but updates may take up to 4 minutes to show up in your dashboards.
Read moreHow do I add elements to an array in firestore?
When it comes to the official documentation regarding how to update elements in an array in Firestore, it says that: If your document contains an array field, you can use arrayUnion() and arrayRemove() to add and remove elements. arrayUnion() adds elements to an array but only elements not already present.
Read moreHow do I update my firestore value?
Update and Delete in Firestore
Read moreHow do I add an object to firestore?
How to add data to a nested object in Firestore
Read moreHow do I update firestore fields?
Update a document
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