esphome/tests/components/api/common.yaml

esphome:
  on_boot:
    then:
      - homeassistant.event:
          event: esphome.button_pressed
          data:
            message: Button was pressed
      - homeassistant.action:
          action: notify.html5
          data:
            message: Button was pressed
      - homeassistant.tag_scanned: pulse

wifi:
  ssid: MySSID
  password: password1

api:
  port: 8000
  password: pwd
  reboot_timeout: 0min
  encryption:
    key: bOFFzzvfpg5DB94DuBGLXD/hMnhpDKgP9UQyBulwWVU=
  actions:
    - action: hello_world
      variables:
        name: string
      then:
        - logger.log:
            format: Hello World %s!
            args:
              - name.c_str()
    - action: empty_action
      then:
        - logger.log: Action Called
    - action: all_types
      variables:
        bool_: bool
        int_: int
        float_: float
        string_: string
      then:
        - logger.log: Something happened
    - action: array_types
      variables:
        bool_arr: bool[]
        int_arr: int[]
        float_arr: float[]
        string_arr: string[]
      then:
        - logger.log:
            # yamllint disable rule:line-length
            format: "Bool: %s (%u), Int: %ld (%u), Float: %f (%u), String: %s (%u)"
            # yamllint enable rule:line-length
            args:
              - YESNO(bool_arr[0])
              - bool_arr.size()
              - (long) int_arr[0]
              - int_arr.size()
              - float_arr[0]
              - float_arr.size()
              - string_arr[0].c_str()
              - string_arr.size()