public MapParameter AddRelationship(GlymaSessionConfiguration configuration, Guid sessionId, MapParameter domainId, MapParameter rootMapId, Dictionary<DescriptorType, MapParameter> nodes, RelationshipType relationshipType, string originalId)
{
MapParameter result = null;
// run the call against the application proxy
NodeServiceApplicationProxy.Invoke(_serviceContext,
proxy => result = proxy.AddRelationship(configuration, sessionId, domainId, rootMapId, nodes, relationshipType, originalId));
return result;
}