ClosePopup action Modal Window Context

Here's how you can access ModelWindowContext:

const uiEventsFrameworkInstance: IUiEventsFrameworkProvider = await CX_SVC_UI_EVENTS_FRAMEWORK.uiEventsFramework.initialize('appname', 'v1'); 
const modalWindowContext:IModalWindowContext = await getModalWindowContext();

Here's a TypeScript example:

const closePopup = async () => {    
    const uiEventsFrameworkInstance: IUiEventsFrameworkProvider = await CX_SVC_UI_EVENTS_FRAMEWORK.uiEventsFramework.initialize('appname', 'v1'); 
    const modalWindowContext: IModalWindowContext = await uiEventsFrameworkInstance.getModalWindowContext();    
    const requestObject: IClosePopupWindowRequest = uiEventsFrameworkInstance.requestHelper.createPublishRequest('ClosePopup') as IClosePopupWindowRequest;     
    requestObject.setId('popup1');
    requestObject.setPropagateToTabs(true);    
    const response: IModalWindowOperationResponse = await modalWindowContext.publish(requestObject) as IModalWindowOperationResponse;    
    const id:string = response.getResponseData().getId(); 
}

Here's a JavaScript example:

const closePopup = async () => {    
    const uiEventsFrameworkInstance = await CX_SVC_UI_EVENTS_FRAMEWORK.uiEventsFramework.initialize('appname', 'v1');
    const modalWindowContext = await uiEventsFrameworkInstance.getModalWindowContext();    
    const requestObject = uiEventsFrameworkInstance.requestHelper.createPublishRequest('ClosePopup'); 
    requestObject.setId('popup1');
    requestObject.setPropagateToTabs(true);   
    const response = await modalWindowContext.publish(requestObject);    
    const id = response.getResponseData().getId(); 
}