# COMMITMENT_KEY

> `const` **COMMITMENT\_KEY**: `"foc/kc"` = `'foc/kc'`

Defined in: [derive.ts:67](https://github.com/FilOzone/synapse-sdk/blob/c853ca3d1b2e90933e6b15131bfa14059bc48fc7/packages/keysmith/src/derive.ts#L67)

The FWSS data-set metadata key the commitment is written to.