# KEYSPACE_ID_KEY

> `const` **KEYSPACE\_ID\_KEY**: `"foc/ks"` = `'foc/ks'`

Defined in: [derive.ts:69](https://github.com/FilOzone/synapse-sdk/blob/68e30a2a5457180e60a5579eb5ecff90b65894b3/packages/keysmith/src/derive.ts#L69)

The FWSS data-set metadata key naming the keyspace, so the chain alone can list them.