name: get_weather
desc: 查询指定城市实时天气
params:
    - name: city
      type: string
      required: true
      description: 城市名称
env:
    - WEATHER_API_KEY
steps:
    - url: https://api.weather.com/current?q=${param:city}&key=${env:WEATHER_API_KEY}
      method: GET
      var:
          - name: city_name
            extract: location.name
          - name: temp
            extract: current.temp_c
          - name: condition
            extract: current.condition.text
      result: |
          ${step0:city_name} 当前温度 ${step0:temp}°C，${step0:condition}