core/homeassistant/components/unifiprotect/icons.json

{
  "services": {
    "add_doorbell_text": {
      "service": "mdi:message-plus"
    },
    "remove_doorbell_text": {
      "service": "mdi:message-minus"
    },
    "set_chime_paired_doorbells": {
      "service": "mdi:bell-cog"
    },
    "remove_privacy_zone": {
      "service": "mdi:eye-minus"
    }
  }
}