# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:22](https://github.com/FilOzone/synapse-sdk/blob/bd9e06ee9cf6823545e5c4af63ab47e38bbf43ef/packages/synapse-core/src/utils/schemas.ts#L22)