{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/convai-com/main/json-schema/convai-interaction-schema.json",
  "title": "Convai Interaction",
  "description": "Request and response shape for /character/getResponse — the runtime NPC dialogue endpoint.",
  "type": "object",
  "properties": {
    "request": {
      "type": "object",
      "required": ["userText", "charID", "sessionID", "voiceResponse"],
      "properties": {
        "userText": { "type": "string" },
        "charID": { "type": "string" },
        "sessionID": {
          "type": "string",
          "description": "Use '-1' to start a new session"
        },
        "voiceResponse": { "type": "boolean" },
        "audio": {
          "type": "string",
          "contentEncoding": "base64",
          "description": "Optional base64 audio when sending voice input"
        }
      }
    },
    "response": {
      "type": "object",
      "properties": {
        "text": { "type": "string" },
        "audio": { "type": "string", "contentEncoding": "base64" },
        "sessionID": { "type": "string" },
        "action": { "type": "string" },
        "emotion": { "type": "string" },
        "narrativeSectionId": { "type": "string" }
      }
    }
  }
}