{
  "sip:decline": {
    "properties": {
      "status": "number",
      "reason": "string",
      "headers": "object"
    },
    "required": [
      "status"
    ]
  },
  "sip:request": {
    "properties": {
      "method": "string",
      "body": "string",
      "headers": "object",
      "actionHook": "object|string"
    },
    "required": [
      "method"
    ]
  },
  "sip:refer": {
    "properties": {
      "referTo": "string",
      "referredBy": "string",
      "headers": "object",
      "actionHook": "object|string",
      "eventHook": "object|string"
    },
    "required": [
      "referTo"
    ]
  },
  "config": {
    "properties": {
      "synthesizer": "#synthesizer",
      "recognizer": "#recognizer",
      "bargeIn": "#bargeIn",
      "record": "#recordOptions"
    },
    "required": []
  },
  "bargeIn": {
    "properties": {
      "enable": "boolean",
      "sticky": "boolean",
      "actionHook": "object|string",
      "input": "array",
      "finishOnKey": "string",
      "numDigits": "number",
      "minDigits": "number",
      "maxDigits": "number",
      "interDigitTimeout": "number",
      "dtmfBargein": "boolean",
      "minBargeinWordCount": "number"
    },
    "required": [
      "enable"
    ]
  },
  "dequeue": {
    "properties": {
      "name": "string",
      "actionHook": "object|string",
      "timeout": "number",
      "beep": "boolean"
    },
    "required": [
      "name"
    ]
  },
  "enqueue": {
    "properties": {
      "name": "string",
      "actionHook": "object|string",
      "waitHook": "object|string",
      "_": "object"
    },
    "required": [
      "name"
    ]
  },
  "leave": {
    "properties": {
      
    }
  },
  "hangup": {
    "properties": {
      "headers": "object"
    },
    "required": [
    ]
  },
  "play": {
    "properties": {
      "url": "string",
      "loop": "number|string",
      "earlyMedia": "boolean"
    },
    "required": [
      "url"
    ]
  },
  "say": {
    "properties": {
      "text": "string|array",
      "loop": "number|string",
      "synthesizer": "#synthesizer",
      "earlyMedia": "boolean"
    },
    "required": [
      "text"
    ]
  },
  "gather": {
    "properties": {
      "actionHook": "object|string",
      "finishOnKey": "string",
      "input": "array",
      "numDigits": "number",
      "minDigits": "number",
      "maxDigits": "number",
      "interDigitTimeout": "number",
      "partialResultHook": "object|string",
      "speechTimeout": "number",
      "listenDuringPrompt": "boolean",
      "dtmfBargein": "boolean",
      "bargein": "boolean",
      "minBargeinWordCount": "number",
      "timeout": "number",
      "recognizer": "#recognizer",
      "play": "#play",
      "say": "#say"
    },
    "required": [
    ]
  },
  "conference": {
    "properties": {
      "name": "string",
      "beep": "boolean",
      "startConferenceOnEnter": "boolean",
      "endConferenceOnExit": "boolean",
      "maxParticipants": "number",
      "joinMuted": "boolean",
      "actionHook": "object|string",
      "waitHook": "object|string",
      "statusEvents": "array",
      "statusHook": "object|string",
      "enterHook": "object|string",
      "record": "#record"
    },
    "required": [
      "name"
    ]
  },
  "dial": {
    "properties": {
      "actionHook": "object|string",
      "answerOnBridge": "boolean",
      "callerId": "string",
      "confirmHook": "object|string",
      "referHook": "object|string",
      "dialMusic": "string",
      "dtmfCapture": "object",
      "dtmfHook": "object|string",
      "headers": "object",
      "listen": "#listen",
      "target": ["#target"],
      "timeLimit": "number",
      "timeout": "number",
      "proxy": "string",
      "transcribe": "#transcribe"
    },
    "required": [
      "target"
    ]
  },
  "dialogflow": {
    "properties": {
      "credentials": "object|string",
      "project": "string",
      "environment": "string",
      "region": {
        "type": "string",
        "enum": ["europe-west1", "europe-west2", "australia-southeast1", "asia-northeast1"]
      },
      "lang": "string",
      "actionHook": "object|string",
      "eventHook": "object|string",
      "events": "[string]",
      "welcomeEvent": "string",
      "welcomeEventParams": "object",
      "noInputTimeout": "number",
      "noInputEvent": "string",
      "passDtmfAsTextInput": "boolean",
      "thinkingMusic": "string",
      "tts": "#synthesizer",
      "bargein": "boolean"
    },
    "required": [
      "project",
      "credentials",
      "lang"
    ]
  },
  "dtmf": {
    "properties": {
      "dtmf": "string",
      "duration": "number"
    },
    "required": [
      "dtmf"
    ]
  },
  "lex": {
    "properties": {
      "botId": "string",
      "botAlias": "string",
      "credentials": "object",
      "region": "string",
      "locale": "string",
      "intent": "#lexIntent",
      "welcomeMessage": "string",
      "metadata": "object",
      "bargein": "boolean",
      "passDtmf": "boolean",
      "actionHook": "object|string",
      "eventHook": "object|string",
      "noInputTimeout": "number",
      "tts": "#synthesizer"
    },
    "required": [
      "botId",
      "botAlias",
      "region",
      "credentials"
    ]
  },
  "listen": {
    "properties": {
      "actionHook": "object|string",
      "auth": "#auth",
      "finishOnKey": "string",
      "maxLength": "number",
      "metadata": "object",
      "mixType": {
        "type": "string",
        "enum": ["mono", "stereo", "mixed"]
      },
      "passDtmf": "boolean",
      "playBeep": "boolean",
      "sampleRate": "number",
      "timeout": "number",
      "transcribe": "#transcribe",
      "url": "string",
      "wsAuth": "#auth",
      "earlyMedia": "boolean"
    },
    "required": [
      "url"
    ]
  },
  "message": {
    "properties": {
      "carrier": "string",
      "account_sid": "string",
      "message_sid": "string",
      "to": "string",
      "from": "string",
      "text": "string",
      "media": "string|array",
      "actionHook": "object|string"
    },
    "required": [
      "to",
      "from"
    ]
  },
  "pause": {
    "properties": {
      "length": "number"
    },
    "required": [
      "length"
    ]
  },
  "rasa": {
    "properties": {
      "url": "string",
      "recognizer": "#recognizer",
      "tts": "#synthesizer",
      "prompt": "string",
      "actionHook": "object|string",
      "eventHook": "object|string"
    },
    "required": [
      "url"
    ]
  },
  "record": {
    "properties": {
      "path": "string"
    },
    "required": [
      "path"
    ]
  },
  "recordOptions": {
    "properties": {
      "action": {
        "type": "string",
        "enum": ["startCallRecording", "stopCallRecording", "pauseCallRecording", "resumeCallRecording"]
      },
      "recordingID": "string",
      "siprecServerURL": "string"
    },
    "required": [
      "action"
    ]
  },
  "redirect": {
    "properties": {
      "actionHook": "object|string"
    },
    "required": [
      "actionHook"
    ]
  },
  "rest:dial": {
    "properties": {
      "account_sid": "string",
      "application_sid": "string",
      "call_hook": "object|string",
      "call_status_hook": "object|string",
      "from": "string",
      "speech_synthesis_vendor": "string",
      "speech_synthesis_voice": "string",
      "speech_synthesis_language": "string",
      "speech_recognizer_vendor": "string",
      "speech_recognizer_language": "string",
      "tag": "object",
      "to": "#target",
      "headers": "object",
      "timeout": "number"
    },
    "required": [
      "call_hook",
      "from",
      "to"
    ]
  },
  "tag": {
    "properties": {
      "data": "object"
    },
    "required": [
      "data"
    ]
  },
  "transcribe": {
    "properties": {
      "transcriptionHook": "string",
      "recognizer": "#recognizer",
      "earlyMedia": "boolean"
    },
    "required": [
      "recognizer"
    ]
  },
  "target": {
    "properties": {
      "type": {
        "type": "string",
        "enum": ["phone", "sip", "user", "teams"]
      },
      "confirmHook": "object|string",
      "method": {
        "type": "string",
        "enum": ["GET", "POST"]
      },
      "headers": "object",
      "name": "string",
      "number": "string",
      "sipUri": "string",
      "auth": "#auth",
      "vmail": "boolean",
      "tenant": "string",
      "trunk": "string",
      "overrideTo": "string"
    },
    "required": [
      "type"
    ]
  },
  "auth": {
    "properties": {
      "username": "string",
      "password": "string"
    },
    "required": [
      "username",
      "password"
    ]
  },
  "synthesizer": {
    "properties": {
      "vendor": {
        "type": "string",
        "enum": ["google", "aws", "polly", "microsoft", "default"]
      },
      "language": "string",
      "voice": "string",
      "engine": {
        "type": "string",
        "enum": ["standard", "neural"]
      },
      "gender": {
        "type": "string",
        "enum": ["MALE", "FEMALE", "NEUTRAL"]
      }
    },
    "required": [
      "vendor"
    ]
  },
  "recognizer": {
    "properties": {
      "vendor": {
        "type": "string",
        "enum": ["google", "aws", "microsoft", "default"]
      },
      "language": "string",
      "vad": "#vad",
      "hints": "array",
      "hintsBoost": "number",
      "altLanguages": "array",
      "profanityFilter": "boolean",
      "interim": "boolean",
      "singleUtterance": "boolean",
      "dualChannel": "boolean",
      "separateRecognitionPerChannel": "boolean",
      "punctuation": "boolean",
      "enhancedModel": "boolean",
      "words": "boolean",
      "diarization": "boolean",
      "diarizationMinSpeakers": "number",
      "diarizationMaxSpeakers": "number",
      "interactionType": {
        "type": "string",
        "enum": [
          "unspecified",
          "discussion",
          "presentation",
          "phone_call",
          "voicemail",
          "voice_search",
          "voice_command",
          "dictation"
        ]
      },
      "naicsCode": "number",
      "identifyChannels": "boolean",
      "vocabularyName": "string",
      "vocabularyFilterName": "string",
      "filterMethod": {
        "type": "string",
        "enum": [
          "remove",
          "mask",
          "tag"
        ]
      },
      "model": "string",
      "outputFormat": {
        "type": "string",
        "enum": [
          "simple",
          "detailed"
        ]
      },
      "profanityOption": {
        "type": "string",
        "enum": [
          "masked",
          "removed",
          "raw"
        ]
      },
      "requestSnr": "boolean",
      "initialSpeechTimeoutMs": "number",
      "azureServiceEndpoint": "string",
      "asrDtmfTerminationDigit": "string",
      "asrTimeout": "number"
    },
    "required": [
      "vendor"
    ]
  },
  "lexIntent": {
    "properties": {
      "name": "string",
      "slots": "object"
    },
    "required": [
      "name"
    ]
  },
  "vad": {
    "properties": {
      "enable": "boolean",
      "voiceMs": "number",
      "mode": "number"  
    },
    "required": [
      "enable"
    ]
  }
}