Here is an example in JSON { "customer": { "number": " Step 1 Phone ", "name": " Step 1 Name " }, "phoneNumberId": "5c5dd764-cc39-4113-8d22-755d7121fb6f", "assistant": { "transcriber": { "provider": "deepgram", "model": "nova-2-general", "language": "en-US", "smartFormat": false }, "model": { "provider": "openai", "model": "gpt-4" }, "voice": { "provider": "azure", "voiceId": "emma" }, "firstMessageMode": "assistant-speaks-first", "recordingEnabled": true, "hipaaEnabled": false, "silenceTimeoutSeconds": 30, "responseDelaySeconds": 0.4, "llmRequestDelaySeconds": 0.1, "numWordsToInterruptAssistant": 1, "maxDurationSeconds": 1800, "backgroundSound": "office", "backchannelingEnabled": false, "firstMessage": "Hello Step 1 Name , how are you doing today?" }, "assistantOverrides": { "transcriber": { "provider": "deepgram", "model": "nova-2-general", "language": "en-US", "smartFormat": false }, "model": { "provider": "openai", "model": "gpt-3.5-turbo" }, "voice": { "provider": "azure", "voiceId": "emma" }, "firstMessage": "Hello Step 1 Name , how are you today?" } }