Feature: Rich Message Types (#610)

Co-authored-by: Pranav Raj S <pranavrajs@gmail.com>
Co-authored-by: Nithin David Thomas <webofnithin@gmail.com>

swagger/definitions/resource/conversation.yml

@@ -5,6 +5,9 @@ properties:
     description: ID of the conversation
   messages:
     type: array
+  account_id:
+    type: number
+    description: Account Id
   inbox_id:
     type: number
     description: ID of the inbox

swagger/definitions/resource/message.yml

@@ -3,6 +3,13 @@ properties:
   content:
     type: string
     description: The text content of the message
+  content_type:
+    type: string
+    enum: ["text", "input_select", "cards", "form"]
+    description: The type of the template message
+  content_attributes:
+    type: object
+    description: The content attributes for each content_type
   message_type:
     type: string
     enum: ["incoming", "outgoing", "activity", "template"]