# zPieceCid

> `const` **zPieceCid**: `ZodCustom`\<[`PieceCID`](/reference/filoz/synapse-core/piece/classes/piececid/), [`PieceCID`](/reference/filoz/synapse-core/piece/classes/piececid/)\>

Defined in: [packages/synapse-core/src/utils/schemas.ts:23](https://github.com/FilOzone/synapse-sdk/blob/5b0d94cdb43d49b460a669d64636e274a8d683fb/packages/synapse-core/src/utils/schemas.ts#L23)