# fsCommBusUnregisterOneEvent<no value>
The **fsCommBusUnregisterOneEvent** is used to unregister one single registered event.

 

##### Syntax

``` wasm
bool fsCommBusUnregisterOneEvent(
    const char* eventName,
    fsCommBusWasmCallback callback,
    void* ctx
);
```

 

##### Members

<table><thead><tr class="header"><th>Parameters</th><th>Description</th></tr></thead><tbody><tr class="odd"><td><code>eventName</code></td><td>The name of the event that you want to unregister.</td></tr><tr class="even"><td><code>callback</code></td><td>Callback associated with the eventy to unregister. Can be a <code>nullptr</code> to not specify a callback.</td></tr><tr class="odd"><td><code>ctx</code></td><td><p>Context given when the event is registered. The pointer will be sent back when the event is called.</p><p>Default value is <code>nullptr</code>.</p></td></tr></tbody></table>

 

##### Return Values

The function returns False if something is wrong with the arguments and/or event couldn't be unregistered, otherwise it will return True.

 

##### Remarks

N/A