# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/cc1ee39d414e890e67823ab84dd4206bf2a06490/packages/synapse-core/src/utils/schemas.ts#L31)