# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/e6f98e0893630331d71bd26db21fbed48b888b48/packages/synapse-core/src/utils/schemas.ts#L31)