Immutable. The location of the entity data within the partition, for example, gs://bucket/path/to/entity/key1=value1/key2=value2. Or projects//datasets//tables/
Partition values used in the HTTP URL must be double encoded. For example, url_encode(url_encode(value)) can be used to encode "US:CA/CA#Sunnyvale so that the request URL ends with "/partitions/US%253ACA/CA%2523Sunnyvale". The name field in the response retains the encoded format.