# ulk

The ulk attribute defining item references attribute 6
of a file-defining item describing the file’s update lock codes.

## Example(s)

Lists all items in the current
account that have `MIS` as a value in attribute 6.

```
list md with ulk = "MIS"
```

## See also

- [File-defining items](https://d3codex.com/definitions/file-defining-items/)
- [Locking scheme](https://d3codex.com/definitions/locking-scheme/)
- [Retrieval and update locks](https://d3codex.com/definitions/retrieval-and-update-locks/)

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Source: https://d3codex.com/attributedefiningitem/ulk/ - part of the D3Codex reference.