I had a look at the examples but I didn't find anything looking exactly like my issue. My purpose was to, very quickly, add a new search parameter. Maybe the way I do this is inappropriate but it seemed to me logical : I can search easily for colList.col.name (a string), so why is it difficult to search for colList.col.typecol (an entity) ? In fact, I was able to search for colList.col.typecol, but I was not able to click on the link so as to order the result because the typecol was then lost. Sorry for my english, I try to make it comprehensible with difficulty. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4058182#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...