[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [StandardSchema](https://evolu.dev/docs/api-reference/common/StandardSchema) › [StandardSchemaV1](https://evolu.dev/docs/api-reference/common/StandardSchema/namespaces/StandardSchemaV1) › PathSegment

Defined in: [packages/common/src/StandardSchema.ts:126](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/common/src/StandardSchema.ts#L126)

The path segment interface of the issue.

## Properties

<a id="key"></a>

### key

```ts
readonly key: PropertyKey;
```

Defined in: [packages/common/src/StandardSchema.ts:128](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/common/src/StandardSchema.ts#L128)

The key representing a path segment.