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# encode(_:forKey:)

Encodes a given 64-bit integer value and associates it with a key.

```
func encode(_ value: Int64, forKey key: String)
```

## Parameters

`value`

The value to encode.

`key`

The key with which to associate `intv`. This value must not be `nil`.

## See Also

[`decodeInt64(forKey:)`](/documentation/Foundation/NSKeyedUnarchiver/decodeInt64(forKey:))

Decodes a 64-bit integer value associated with a given key.



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