demo-process-models/examples/2-in-depth/2-5-loops/multi-instance/composer-schema.json

{
"type": "object",
"properties": {
    "c": {
      "type": "object",
      "properties": {}
        "composer": {
        "type": "string",
        "description": "Name of the Composer"
        },
        "genre": {
        "type": "string",
        "description": "Genre of the composer's music"
        },
        "required": [
          "c['composer']"
        ]
  }
}