# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/7a61a0735ccf4c7d79a729491c35efe758d039cd/packages/synapse-core/src/utils/schemas.ts#L31)