List alert attributes.
API key from your incident.io dashboard (Settings → API keys)
OK response.
[
{
"array": false,
"emoji": "fire",
"id": "01GW2G3V0S59R238FAHPDS1R66",
"name": "service",
"required": false,
"type": "CatalogEntry[\"01GW2G3V0S59R238FAHPDS1R67\"]"
}
]