# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/bbb19077656e2e61358f88ee501256be09b81c1e/packages/synapse-core/src/utils/schemas.ts#L31)