# zPieceCidString

> `const` **zPieceCidString**: `ZodCustom`\<`string`, `string`\>

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/814a91db8292f1d8fff6df33f7d00bf7e2a5a52a/packages/synapse-core/src/utils/schemas.ts#L31)