# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/bae2892884beb7847c063fe752728035b986732a/packages/synapse-core/src/utils/schemas.ts#L31)