Looking to leverage the DCS API calls against a users ECID to send in information from our internal database. We have a stored table of ECID's. I am aware this is available for sending in against UUID's or Declaired ID's that have been synced, but this specific use case is built around the ECID.
I see in the documentation there's a field for ECID (d_mid) but I want to confirm this is possible.