# KEYSPACE_ID_KEY

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

Defined in: [derive.ts:69](https://github.com/FilOzone/synapse-sdk/blob/02867010830e172f5bfcdecc7ea8d76c85e913f3/packages/keysmith/src/derive.ts#L69)

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