# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/3f9dfed045d680652dbd0282b50538a65fa703d5/packages/synapse-core/src/utils/schemas.ts#L31)