elyra-extension/etc/config/metadata/runtime-images/anaconda.json

{
  "display_name": "Anaconda (2021.11) with Python 3.x",
  "metadata": {
    "description": "Anaconda 2021.11",
    "image_name": "continuumio/anaconda3:2021.11",
    "tags": ["anaconda"]
  },
  "schema_name": "runtime-image"
}