> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nanoforge.eu/llms.txt
> Use this file to discover all available pages before exploring further.

# INPUT_LIBRARY variable

> Registration symbol for the input library slot.

# INPUT\_LIBRARY

## Summary

Registration symbol for the input library slot.

## Signature

```typescript theme={null}
INPUT_LIBRARY: unique symbol
```

## Remarks

Pass this symbol to `NanoforgeClient.useInput` or use it as a dependency symbol in a custom library's `ILibraryOptions.dependencies`.