Hello, I created a task : public class MyTask extends MetchingTask { ... public void setClasspath(Path path){ classpath.append(path) } public void execute() throws BuildException { ... } ... } My build.xml <project .../> <taskdef name="mytask" classname="package.MyTask"/> <target .. <mytask attribute1="value1 ...> <classpath> <pathelement path="aPath"/> </classpath> </mytask> </target> </project> And when I run ant, I have : Class package.MyTask doesn't support the nested "classpath" element may anyone help me ? thank you! Fred. __________________________________________________ Do You Yahoo!? Make international calls for as low as $.04/minute with Yahoo! Messenger http://phonecard.yahoo.com/