{
  "name": "get-value",
  "description": "Returns the value of the first matching node",
  "signature": {
    "input": {
      "kind": "single-object",
      "description": "Expression selecting the node whose value should be retrieved",
      "required": true,
      "mode": "Expression"
    },
    "output": {
      "mode": "Value",
      "description": "Resolves to the value of the first matching node"
    }
  }
}