> ## Documentation Index
> Fetch the complete documentation index at: https://cantonfoundation-generated-reference-full-stack-preview.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ByKey.ToInterface

> Parent of all generated ByKey classes within interfaces. These need to pass both the template and interface ID.

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  <h1 class="x2mdx-ref-title">ByKey.ToInterface</h1>

  <p class="x2mdx-ref-summary">Parent of all generated ByKey classes within interfaces. These need to pass both the template and interface ID.</p>

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## Signature

```java theme={null}
public abstract static class ByKey.ToInterface extends ByKey
```

## Members

| Member                                           | Lifecycle     | Upstream docs                                                                                                                                                                                                                      |
| ------------------------------------------------ | ------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `ToInterface(ContractCompanion<?, ?, ?>, Value)` | Added `3.4.8` | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/ByKey.ToInterface.html#%3Cinit%3E%28com.daml.ledger.javaapi.data.codegen.ContractCompanion,com.daml.ledger.javaapi.data.Value%29) |
| `makeExerciseCmd(Choice<?, ? super A, R>, A)`    | Added `3.4.8` | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/ByKey.ToInterface.html#makeExerciseCmd%28com.daml.ledger.javaapi.data.codegen.Choice,A%29)                                        |

## History

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