ContributionService contributionService = scaDomain.getContributionService();
String folderName = "../test-bundles/target/";
String supplychainJarName = contributionJarName;
URL supplyChainURL = new File(folderName + supplychainJarName).toURI().toURL();
Contribution contribution = contributionService.contribute("SupplyChain", supplyChainURL, false);
for (Composite deployable : contribution.getDeployables() ) {
scaDomain.getDomainComposite().getIncludes().add(deployable);
scaDomain.buildComposite(deployable);
}