[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [EmscriptenWrapperOptions](./rc-js-util.emscriptenwrapperoptions.md) > [initializeCallbacks](./rc-js-util.emscriptenwrapperoptions.initializecallbacks.md) ## EmscriptenWrapperOptions.initializeCallbacks property **Signature:** ```typescript readonly initializeCallbacks: readonly ((wrapper: IEmscriptenWrapper) => void)[]; ```