public RequestOutputItem withSourceGroup(String sourceGroup) {
        setSourceGroup(sourceGroup);
        return this;
    }
<p>
A string used to match which <code>HttpPackageConfiguration</code> is used for each <code>VodSource</code>.
</p>

@param sourceGroup
       A string used to match which <code>HttpPackageConfiguration</code> is used for each <code>VodSource</code>
       .
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediatailor/src/main/java/com/amazonaws/services/mediatailor/model/RequestOutputItem.java