> ## 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.

# ContractCompanion.WithKey

> Generated object reference page for ContractCompanion.WithKey from local Javadoc snapshots.

<div class="x2mdx-ref-page x2mdx-ref-page--collection" />

<p class="x2mdx-ref-back"><a href="./index">Back to package</a></p>

<div class="x2mdx-ref-hero">
  <p class="x2mdx-ref-eyebrow">com.daml.ledger.javaapi.data.codegen</p>

  <h1 class="x2mdx-ref-title">ContractCompanion.WithKey</h1>

  <div class="x2mdx-ref-badges">
    <span class="x2mdx-ref-badge x2mdx-ref-badge--protocol">Java</span>

    <a class="x2mdx-ref-badge x2mdx-ref-badge--added" href="#history-added-3-4-8">Added 3.4.8</a>
  </div>

  <dl class="x2mdx-ref-meta-grid">
    <div class="x2mdx-ref-meta-item">
      <dt>Package</dt>
      <dd>com.daml.ledger.javaapi.data.codegen</dd>
    </div>

    <div class="x2mdx-ref-meta-item">
      <dt>Upstream docs</dt>
      <dd><a href="https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/ContractCompanion.WithKey.html">Open Javadoc</a></dd>
    </div>
  </dl>
</div>

## Signature

```java theme={null}
public static final class ContractCompanion.WithKey<Ct,Id,Data,Key> extends ContractCompanion<Ct,Id,Data>
```

## Members

| Member                                                                                                     | Lifecycle     | Upstream docs                                                                                                                                                                                                                                                                                                                 |
| ---------------------------------------------------------------------------------------------------------- | ------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `fromCreatedEvent(CreatedEvent)`                                                                           | Added `3.4.8` | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/ContractCompanion.WithKey.html#fromCreatedEvent%28com.daml.ledger.javaapi.data.CreatedEvent%29)                                                                                                                              |
| `fromCreatedEvent(CreatedEvent, UnknownTrailingFieldPolicy)`                                               | Added `3.5.1` | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/ContractCompanion.WithKey.html#fromCreatedEvent%28com.daml.ledger.javaapi.data.CreatedEvent,com.daml.ledger.javaapi.data.codegen.UnknownTrailingFieldPolicy%29)                                                              |
| `fromIdAndRecord(String, DamlRecord, Optional<Key>, Set<String>, Set<String>)`                             | Added `3.4.8` | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/ContractCompanion.WithKey.html#fromIdAndRecord%28java.lang.String,com.daml.ledger.javaapi.data.DamlRecord,java.util.Optional,java.util.Set,java.util.Set%29)                                                                 |
| `fromIdAndRecord(String, DamlRecord, Optional<Key>, Set<String>, Set<String>, UnknownTrailingFieldPolicy)` | Added `3.5.1` | [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.15/com/daml/ledger/javaapi/data/codegen/ContractCompanion.WithKey.html#fromIdAndRecord%28java.lang.String,com.daml.ledger.javaapi.data.DamlRecord,java.util.Optional,java.util.Set,java.util.Set,com.daml.ledger.javaapi.data.codegen.UnknownTrailingFieldPolicy%29) |

## History

<div class="x2mdx-ref-history" aria-label="Reference history">
  <div class="x2mdx-ref-history-event x2mdx-ref-history-event--introduced" id="history-added-3-4-8">
    <div class="x2mdx-ref-history-event-head">
      <span class="x2mdx-ref-history-event-label">Added</span>
      <code class="x2mdx-ref-history-event-version">3.4.8</code>
    </div>
  </div>
</div>