core/homeassistant/components/motioneye/icons.json

{
  "services": {
    "set_text_overlay": {
      "service": "mdi:text-box-outline"
    },
    "action": {
      "service": "mdi:gesture-tap-button"
    },
    "snapshot": {
      "service": "mdi:camera"
    }
  }
}