Map<String, Object> values = new HashMap<String, Object>();
MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
entityMetadata.getPersistenceUnit());
EntityType entityType = metaModel.entity(entityMetadata.getEntityClazz());
String keyAsString = getKeyAsString(id, entityMetadata, metaModel);
addSource(entity, values, entityType);