{
  "name": "timezone_id",
  "type": "function",
  "groups": ["Conversions", "Date and Time"],
  "description": "Returns the ID string for a timezone object, using IDs from the IANA timezone database.",
  "arguments": [{
    "arg": "timezone",
    "description": "a valid timezone object"
  }],
  "examples": [{
    "expression": "timezone_id(timezone_from_id('Australia/Brisbane'))",
    "returns": "'Australia/Brisbane'"
  }],
  "tags": ["time", "zone", "date", "datetime", "offset", "utc"]
}