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# FSVolume.SetXattrPolicy

Flags to specify the policy when setting extended file attributes.

```
enum SetXattrPolicy
```

## Topics

### Declaring a policy

[`FSVolume.SetXattrPolicy.alwaysSet`](/documentation/FSKit/FSVolume/SetXattrPolicy/alwaysSet)

Set the value, regardless of previous state.

[`FSVolume.SetXattrPolicy.mustCreate`](/documentation/FSKit/FSVolume/SetXattrPolicy/mustCreate)

Set the value, but fail if the extended attribute already exists.

[`FSVolume.SetXattrPolicy.mustReplace`](/documentation/FSKit/FSVolume/SetXattrPolicy/mustReplace)

Set the value, but fail if the extended attribute doesn’t already exist.

[`FSVolume.SetXattrPolicy.delete`](/documentation/FSKit/FSVolume/SetXattrPolicy/delete)

Delete the value, failing if the extended attribute doesn’t exist.


---

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