# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:30](https://github.com/FilOzone/synapse-sdk/blob/944f1d4652e56c1cd19d5cbafc7e065bd6416f23/packages/synapse-core/src/utils/schemas.ts#L30)