# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/ac45b247918d1482a4bd5f301722edb6f0a5b349/packages/synapse-core/src/utils/schemas.ts#L31)