How to use the scratch-gui.initEmbedded function in scratch-gui

projectNotAvailable: state.preview.projectNotAvailable
});

const mapDispatchToProps = dispatch => ({
    getProjectInfo: (id, token) => {
        dispatch(previewActions.getProjectInfo(id, token));
    }
});

module.exports.View = connect(
    mapStateToProps,
    mapDispatchToProps
)(EmbedView);

GUI.setAppElement(document.getElementById('app'));
module.exports.initGuiState = GUI.initEmbedded;
module.exports.guiReducers = GUI.guiReducers;
module.exports.guiInitialState = GUI.guiInitialState;
module.exports.guiMiddleware = GUI.guiMiddleware;
module.exports.initLocale = GUI.initLocale;
module.exports.localesInitialState = GUI.localesInitialState;