InfoPath Dev

 I have a custom column on my sharepoint list, and when I change a task (that was created by my workflow) I need to show in infopath form this custom column, How can I do this? I have tried use ItemMetaData.xml, with @ows_<columnName>, but isn't work. Any sugestions?

  Hello Patrick,  I cant understanding what you mean. Do you have a tool to make this job? I tried to publish my infopath form to a content type, but I this content type is unnavailable to my custom list.  Tks

Hello, I need to publish my infopath form to a custom list, and when I click into a NEW ITEM button, my infopath form should be launched. But I can't do this. I can just publish my infopath form into document library and form library. How can I do this?