# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/1a1d16a73ad5da89c80d6276a9c9ad8af2ec33fd/packages/synapse-core/src/utils/schemas.ts#L31)