| # $interfaceName property | |
| String $interfaceName | |
| _<span class="feature">final</span>_ | |
| <p>The name of the interface of <code>T</code>.</p> | |
| <p>Unlike <a href="../../package-fidl_fidl/ProxyController/$serviceName.md">$serviceName</a> should always be set and won't be fully qualified. | |
| This should only be used for debugging and logging purposes.</p> | |
| ## Implementation | |
| ```dart | |
| final String? $interfaceName; | |
| ``` | |