# PgIpLock.uniqueKey property · @imqueue/pg-pubsub

Source: https://imqueue.org/api/pg-pubsub/latest/pg-pubsub.pgiplock.uniquekey/
Published: 2026-08-01
Author: @imqueue maintainers (https://github.com/imqueue)
Package: @imqueue/pg-pubsub 3.0.5 — generated reference, not hand-written

Optional content key making the lock a de-duplication marker for one specific payload rather than a listener election for the channel. Supplied by the execution-lock path; see `EXECUTION_LOCK`.

**Signature:**

```typescript
readonly uniqueKey?: string | undefined;
```