ha-core/homeassistant/components/alarm_control_panel/strings.json

{
  "device_automation": {
    "action_type": {
      "arm_away": "Arm {entity_name} away",
      "arm_home": "Arm {entity_name} home",
      "arm_night": "Arm {entity_name} night",
      "disarm": "Disarm {entity_name}",
      "trigger": "Trigger {entity_name}"
    }
  }
}