curl --request GET \
  --url https://app.azalt.co/api/v1/activity-definitions/{id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "name": "<string>",
  "description": "<string>",
  "uiCode": "<string>",
  "calcCode": "<string>",
  "inputs": [
    {
      "name": "<string>",
      "type": "string",
      "required": true,
      "exportName": "<string>",
      "example": "<string>",
      "editor": {
        "type": "select",
        "options": [
          {
            "label": "<string>",
            "value": "<string>"
          }
        ]
      }
    }
  ],
  "organizationId": "<string>",
  "metadataSchema": {},
  "createdAt": "<string>",
  "updatedAt": "<string>"
}