require-multiple-values.json

{
	"$schema": "http://json-schema.org/draft-07/schema#",
	"title": "Require Multiple Values",
	"description": "Makes multiple roles required for pointOfContact.",
	"$id": "require-multiple-values.json",
	"version": "1.0.0",
	"properties": {
		"metadata": {
			"properties": {
				"resourceInfo": {
					"properties": {
						"pointOfContact": {
              "allOf": [
                {
                  "contains": {
                    "properties": {
                      "role": {
                        "const": "pointOfContact"
                      }
                    }
                  }
                },
                {
                  "contains": {
                    "properties": {
                      "role": {
                        "const": "custodian"
                      }
                    }
                  }
                },
                {
                  "contains": {
                    "properties": {
                      "role": {
                        "const": "owner"
                      }
                    }
                  }
                }
              ]
            }
					}
				}
			}
		}
	}
}