post https://project-api.zapehr.com/v1/messaging/conversation//participant
Add a participant to a Conversation. Conversations allow you to build multi-channel bi-directional messaging workflows. For example, you might create a Conversation where a provider messages with a patient through a web app, and the patient receives and responds to messages via SMS on their phone.
Access Policy Requirements:
Action: Messaging:ConversationAddParticipant
Access Policy Resource: Messaging:Conversation
Action: FHIR:Read
Access Policy Resource: FHIR:Encounter
Action: FHIR:Update
Access Policy Resource: FHIR:Encounter