# How to call an interface function of a controller with a node? **URL:** \ **Category:** UI\ **Tags:** interface, unreal-engine, question\ **Created:** [May 21, 2014, 8:49am UTC](https://forums.unrealengine.com/t/how-to-call-an-interface-function-of-a-controller-with-a-node/283888 "2014-05-21T08:49:14Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Rama](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/rama/32/882413_2.png) [@Rama](https://forums.unrealengine.com/u/Rama)\ **Post date:** [May 21, 2014, 9:46am UTC](https://forums.unrealengine.com/t/how-to-call-an-interface-function-of-a-controller-with-a-node/283888/2 "2014-05-21T09:46:38Z")
if the interface is in C++, and your Controller is inheriting that interface via multiple Inheritance, then that function is already part of your controller! #BlueprintCallabe The issue would be that you did not make the interface function BP Callable (I am assuming you want to use this in blueprints if you cant figure out how to make the IInterface function BP callable **create a wrapper for it in your Controller.h that IS BP callable** #Wiki Tutorial C++ Interfaces > **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)** > > After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — ue4community.wiki! You will be able to find content from the official... #Wiki Tutorial BP Callable > **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)** > > After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — ue4community.wiki! You will be able to find content from the official... Rama --- _[View the full topic](https://forums.unrealengine.com/t/how-to-call-an-interface-function-of-a-controller-with-a-node/283888)._