---
title: subscriptionID
framework: CloudKit JS
role: symbol
role_heading: Instance Property
platforms: [cloudkit js 1.0+]
path: cloudkitjs/cloudkit.ckerror/subscriptionid
---

# subscriptionID

A string that is a unique identifier for the subscription where the error occurred.

## Declaration

```data
readonly attribute String subscriptionID;
```

## Discussion

Discussion This property value is Undefined if the error is unrelated to a subscription operation.

## See Also

### Identifying the Operation

- [recordName](cloudkitjs/cloudkit.ckerror/recordname.md)
- [zoneID](cloudkitjs/cloudkit.ckerror/zoneid.md)