{
  "$id": "wsdl-operation.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "WSDL Operation",
  "description": "Schema describing an operation element within a WSDL 2.0 interface. An operation defines an abstract action the web service supports, including the message exchange pattern and the input, output, and fault messages.",
  "type": "object",
  "required": [
    "name",
    "pattern"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "The local name of the operation, unique within its parent interface."
    },
    "pattern": {
      "type": "string",
      "format": "uri",
      "description": "A URI identifying the message exchange pattern (e.g., in-out, in-only, robust-in-only)."
    },
    "style": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "description": "URIs identifying the operation style, overriding the interface default."
    },
    "safe": {
      "type": "boolean",
      "description": "Indicates whether invoking this operation is semantically safe and has no side effects."
    },
    "input": {
      "type": "object",
      "properties": {
        "messageLabel": {
          "type": "string",
          "description": "A label identifying this message within the message exchange pattern."
        },
        "element": {
          "type": "string",
          "description": "A qualified name referencing the element declaration for the input message content."
        }
      },
      "description": "The input message for this operation."
    },
    "output": {
      "type": "object",
      "properties": {
        "messageLabel": {
          "type": "string",
          "description": "A label identifying this message within the message exchange pattern."
        },
        "element": {
          "type": "string",
          "description": "A qualified name referencing the element declaration for the output message content."
        }
      },
      "description": "The output message for this operation."
    },
    "infault": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "ref": {
            "type": "string",
            "description": "A qualified name referencing an interface fault declaration."
          },
          "messageLabel": {
            "type": "string",
            "description": "A label identifying this fault within the message exchange pattern."
          }
        }
      },
      "description": "A list of faults that may occur during the input phase of the operation."
    },
    "outfault": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "ref": {
            "type": "string",
            "description": "A qualified name referencing an interface fault declaration."
          },
          "messageLabel": {
            "type": "string",
            "description": "A label identifying this fault within the message exchange pattern."
          }
        }
      },
      "description": "A list of faults that may occur during the output phase of the operation."
    }
  },
  "additionalProperties": false
}