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Home > @loopback/core > Application > controller
Application.controller() method
Register a controller class with this application.
Signature:
controller<T>(controllerCtor: ControllerClass<T>, nameOrOptions?: string | BindingFromClassOptions): Binding<T>;
Parameters
| Parameter | Type | Description |
|---|---|---|
| controllerCtor | [ControllerClass](/doc/en/lb4/apidocs.core.controllerclass.html)<T> | The controller class (constructor function). |
| nameOrOptions | string \| [BindingFromClassOptions](/doc/en/lb4/apidocs.context.bindingfromclassoptions.html) | _(Optional)_ |
Returns:
Binding<T>
The newly created binding, you can use the reference to further modify the binding, e.g. lock the value to prevent further modifications.
Example
class MyController {
}
app.controller(MyController).lock();