{
  "name": "math.decrement",
  "description": "Decrements the numeric nodes selected by the input expression",
  "signature": {
    "input": {
      "kind": "numeric-node",
      "description": "Expression selecting the numeric node or nodes to decrement",
      "required": true,
      "mode": "Expression"
    },
    "children": {
      "step": {
        "type": "number",
        "description": "Amount to add to or subtract from each selected node",
        "required": false,
        "mode": "ValueOrExpression",
        "cardinality": "ZeroOrOne",
        "default": "1",
        "role": "Option",
        "projection": "Value"
      }
    }
  }
}