How can i add generated column which is by default colapsed?

I have colum added in on the screeen and it has generator atached. If i want it to be collapsed by default i get exeption:

java.lang.IllegalArgumentException: Property 'email' was not found in the container
	at com.vaadin.v7.ui.Table.setColumnCollapsed(Table.java:1352)
	at com.haulmont.cuba.web.gui.components.WebAbstractTable.setupColumnSettings(WebAbstractTable.java:1531)
	at com.haulmont.cuba.web.gui.components.WebAbstractTable.setItems(WebAbstractTable.java:1416)
	at com.haulmont.cuba.web.gui.components.WebGroupTable.setItems(WebGroupTable.java:77)
	at com.haulmont.cuba.gui.xml.layout.loaders.AbstractTableLoader.loadComponent(AbstractTableLoader.java:218)
	at com.haulmont.cuba.gui.xml.layout.loaders.GroupTableLoader.loadComponent(GroupTableLoader.java:45)
	at com.haulmont.cuba.gui.xml.layout.loaders.ContainerLoader.loadSubComponents(ContainerLoader.java:38)
	at com.haulmont.cuba.gui.xml.layout.loaders.ContainerLoader.loadSubComponentsAndExpand(ContainerLoader.java:76)
	at com.haulmont.cuba.gui.xml.layout.loaders.AbstractBoxLoader.loadComponent(AbstractBoxLoader.java:50)
	at com.haulmont.cuba.gui.xml.layout.loaders.ContainerLoader.loadSubComponents(ContainerLoader.java:38)
	at com.haulmont.cuba.gui.xml.layout.loaders.SplitPanelLoader.loadComponent(SplitPanelLoader.java:78)
	at com.haulmont.cuba.gui.xml.layout.loaders.ContainerLoader.loadSubComponents(ContainerLoader.java:38)
	at com.haulmont.cuba.gui.xml.layout.loaders.ContainerLoader.loadSubComponentsAndExpand(ContainerLoader.java:76)
	at com.haulmont.cuba.gui.xml.layout.loaders.WindowLoader.loadComponent(WindowLoader.java:94)
	at com.haulmont.cuba.web.sys.WebScreens.loadWindowFromXml(WebScreens.java:366)
	at com.haulmont.cuba.web.sys.WebScreens.createScreen(WebScreens.java:233)
	at com.haulmont.cuba.web.sys.WebScreens.create(WebScreens.java:175)
	at com.haulmont.cuba.gui.config.MenuItemCommands$ScreenCommand.run(MenuItemCommands.java:319)
	at com.haulmont.cuba.web.sys.SideMenuBuilder$MenuCommandExecutor.accept(SideMenuBuilder.java:264)
	at com.haulmont.cuba.web.sys.SideMenuBuilder$MenuCommandExecutor.accept(SideMenuBuilder.java:249)
	at com.haulmont.cuba.web.gui.components.mainwindow.WebSideMenu$MenuItemImpl.menuSelected(WebSideMenu.java:573)
	at com.haulmont.cuba.web.widgets.CubaSideMenu$1.menuItemTriggered(CubaSideMenu.java:90)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:153)
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:115)
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:431)
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:396)
	at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:260)
	at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:82)
	at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40)
	at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1578)
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:425)
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:329)
	at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:215)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108)
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74)
	at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1579)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.base/java.lang.Thread.run(Thread.java:834)

Hello, Igor!

According the exception message, your data container does not contain this property. It can happen if you add a column with an id that does not correspond to entity properties.

I can suggest you set collapsed to true programmatically:

customersTable.addGeneratedColumn("test", entity -> {
    Label<String> label = uiComponents.create(Label.NAME);
    label.setValue("test");
    return label;
});
customersTable.getColumn("test").setCollapsed(true);

Thank you for feedback.
At the end i mapped the id of column to existing column in entity and used existing generator.

Your solution also works.