---
title: murmurSeed
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/neurlfilterprefilter/murmurseed
---

# murmurSeed

The seed used for the hashing function.

## Declaration

```swift
let murmurSeed: UInt32
```

## Discussion

Discussion The prefilter uses the MurmurHash3 function.

## See Also

### Working with prefilter properties

- [data](networkextension/neurlfilterprefilter/data.md)
- [NEURLFilterPrefilter.PrefilterData](networkextension/neurlfilterprefilter/prefilterdata.md)
- [tag](networkextension/neurlfilterprefilter/tag.md)
- [bitCount](networkextension/neurlfilterprefilter/bitcount.md)
- [hashCount](networkextension/neurlfilterprefilter/hashcount.md)