# ID

Property in [Option](https://docs.yarnspinner.dev/2.3/api/csharp/yarn/yarn.optionset/yarn.optionset.option)

## Summary

Gets the identifying number for this option.

```csharp
public int ID { get; private set; }
```

## Remarks

When the user selects this option, this value should be used as the parameter for [SetSelectedOption(int)](https://docs.yarnspinner.dev/2.3/api/csharp/yarn/yarn.dialogue/yarn.dialogue.setselectedoption) .