# entityId

`import { entityId } from "destack:topology";`

Match one topology entity by id.

```ds title="entityId"
export function entityId(id: EntityId): EntitySelector
```

[language/library/src/topology/entity.ds:105:107](https://github.com/destack-sh/destack/blob/main/language/library/src/topology/entity.ds#L105-L107)