emqx4.3/apps/emqx_gateway_ocpp/priv/schemas/ChangeConfiguration.json

{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "id": "urn:OCPP:1.6:2019:12:ChangeConfigurationRequest",
    "title": "ChangeConfigurationRequest",
    "type": "object",
    "properties": {
        "key": {
            "type": "string",
            "maxLength": 50
        },
        "value": {
            "type": "string",
            "maxLength": 500
        }
    },
    "additionalProperties": false,
    "required": [
        "key",
        "value"
    ]
}