> ## Documentation Index
> Fetch the complete documentation index at: https://cantonfoundation-fix-878-websocket-update-format.mintlify.site/llms.txt
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# TopologyTransactionOuterClass.TopologyEventOrBuilder

> Generated object reference page for TopologyTransactionOuterClass.TopologyEventOrBuilder from local Javadoc snapshots.

## TopologyTransactionOuterClass.TopologyEventOrBuilder

Upstream docs: [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html)

**Signature**

```text theme={"theme":{"light":"github-light","dark":"github-dark"}}
public static interface TopologyTransactionOuterClass.TopologyEventOrBuilder extends com.google.protobuf.MessageOrBuilder
```

**Members**

| Docs                                                                                                                                                                                              | Member                                             | Introduced | Deprecated | Removed |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------- | ---------- | ---------- | ------- |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#getEventCase%28%29)                                   | `getEventCase()`                                   | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#getParticipantAuthorizationAdded%28%29)               | `getParticipantAuthorizationAdded()`               | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#getParticipantAuthorizationAddedOrBuilder%28%29)      | `getParticipantAuthorizationAddedOrBuilder()`      | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#getParticipantAuthorizationChanged%28%29)             | `getParticipantAuthorizationChanged()`             | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#getParticipantAuthorizationChangedOrBuilder%28%29)    | `getParticipantAuthorizationChangedOrBuilder()`    | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#getParticipantAuthorizationOnboarding%28%29)          | `getParticipantAuthorizationOnboarding()`          | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#getParticipantAuthorizationOnboardingOrBuilder%28%29) | `getParticipantAuthorizationOnboardingOrBuilder()` | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#getParticipantAuthorizationRevoked%28%29)             | `getParticipantAuthorizationRevoked()`             | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#getParticipantAuthorizationRevokedOrBuilder%28%29)    | `getParticipantAuthorizationRevokedOrBuilder()`    | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#hasParticipantAuthorizationAdded%28%29)               | `hasParticipantAuthorizationAdded()`               | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#hasParticipantAuthorizationChanged%28%29)             | `hasParticipantAuthorizationChanged()`             | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#hasParticipantAuthorizationOnboarding%28%29)          | `hasParticipantAuthorizationOnboarding()`          | `3.5.6`    | -          | -       |
| [Open](https://javadoc.io/doc/com.daml/bindings-java/3.5.6/com/daml/ledger/api/v2/TopologyTransactionOuterClass.TopologyEventOrBuilder.html#hasParticipantAuthorizationRevoked%28%29)             | `hasParticipantAuthorizationRevoked()`             | `3.5.6`    | -          | -       |