Our practice to integrations with external systems, has been mostly a result of implementations (end users or hospitals) using these systems, or at least expressing interest to start using them, and then come to our community with the need or requirement to integrate. So identifying such an implementation site would be a good starting point. That way, we are assured of a real implementation site that will test out the integration and avoid cases where we have invested development resources in work that no body uses (No known users).