rule-schema.json

{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "dependencies": {
        "header": {
            "oneOf": [
                {
                    "required": [
                        "header_regexp"
                    ]
                },
                {
                    "not": {
                        "required": [
                            "header_regexp"
                        ]
                    }
                }
            ]
        },
        "header_regexp": {
            "oneOf": [
                {
                    "required": [
                        "header"
                    ]
                },
                {
                    "not": {
                        "required": [
                            "header"
                        ]
                    }
                }
            ]
        },
        "jmespath": {
            "oneOf": [
                {
                    "required": [
                        "regexp"
                    ]
                },
                {
                    "not": {
                        "required": [
                            "regexp"
                        ]
                    }
                }
            ]
        }
    },
    "properties": {
        "destination_topics": {
            "description": "The topics (comma separated) to which data will be sent.",
            "type": "string"
        },
        "header": {
            "description": "An optional header field that can contain metadata or additional information.",
            "type": "string"
        },
        "header_regexp": {
            "description": "A regular expression to be matched against the header.",
            "type": "string"
        },
        "jmespath": {
            "description": "A JMESPath expression used for querying data.",
            "type": "string"
        },
        "regexp": {
            "description": "A regular expression pattern for matching data.",
            "type": "string"
        },
        "source_topic": {
            "description": "The topic from which data will be retrieved.",
            "type": "string"
        }
    },
    "required": [
        "source_topic",
        "destination_topics"
    ],
    "type": "object"
}