Class Projection (2.16.0)

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Projection(mapping=None, *, ignore_unknown_fields=False, **kwargs)

The projection of document's fields to return.

Attribute
Name	Description
fields	MutableSequence[google.cloud.firestore_v1.types.StructuredQuery.FieldReference] The fields to return. If empty, all fields are returned. To only return the name of the document, use ['__name__'].