There are several ways to write data to Firestore:
Read moreHow do I add a field to an existing document in firestore?
Build a DocumentReference to the document you want to update, then use the update() method on the DocumentReference to indicate only the fields to be added or changed . Pass it an object with only properties that match the fields to add or change.
Read moreHow do I delete a document from firestore?
The following examples demonstrate how to delete documents, fields, and collections.
Read moreHow do I delete data from Firebase?
The simplest way for deleting data is to call removeValue() on a reference to the location of that data . We can also delete data by specifying null as the value for another write operation such as setValue() or updateChildren().
Read moreHow do I delete a firestore document on flutter?
Flutter – remove a firebase document onTap() When the user long press a ListTile (an item on the list), I show a BottomSheet. When the user clicks the Delete button on the BottomSheet , the document should be removed.
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