testDirectSimulator2.xml

<beast version="2.0" namespace="beast.pkgmgmt:beast.base.core:beast.base.inference
                              :beast.base.evolution.alignment
                              :beast.base.evolution.tree
                              :beast.base.inference.distribution
                              :beast.base.inference.util
                              :beast.base.inference.parameter">



    <run spec="DirectSimulator" nSamples="10000">

        <distribution spec="CompoundDistribution">
            <distribution spec="beast.base.inference.distribution.Prior">
                <distr spec="Exponential" mean="1"/>
                <x spec="RealParameter" id="x" value="1.0"/>
            </distribution>
        </distribution>

        <logger logEvery="1" fileName="$(filebase).log">
            <log idref="x"/>
        </logger>
    </run>
</beast>