# zStringToCid

> `const` **zStringToCid**: `ZodCodec`\<`ZodCustom`\<`string`, `string`\>, `ZodCustom`\<[`PieceCID`](/reference/filoz/synapse-core/piece/classes/piececid/), [`PieceCID`](/reference/filoz/synapse-core/piece/classes/piececid/)\>\>

Defined in: [packages/synapse-core/src/utils/schemas.ts:39](https://github.com/FilOzone/synapse-sdk/blob/5e9df029417d95928e523b01a29bf523e42db418/packages/synapse-core/src/utils/schemas.ts#L39)