Languages

Field	Type	Description
`config_data.supported_languages`	array of strings	Languages the campaign supports. Empty/omitted → single-language mode.
`config_data.language` / `config_data.default_language`	string	The default language. Must be a member of `supported_languages`.
`config_data.ask_language_at_start`	boolean	Ask the caller to pick a language at call start.
`config_data.language_gate_prompt`	string	Prompt/spoken lines for the language selection gate.

Example:

json

{
  "config_data": {
    "supported_languages": ["hi-IN", "en-IN", "ta-IN"],
    "default_language": "hi-IN",
    "ask_language_at_start": true
  }
}