# zPieceCidString

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

Defined in: [packages/synapse-core/src/utils/schemas.ts:31](https://github.com/FilOzone/synapse-sdk/blob/017412a5a52d7741a99dc4d4c9ae795e61547e64/packages/synapse-core/src/utils/schemas.ts#L31)