{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/unit_of_measure",
  "title": "unit_of_measure",
  "type": "string",
  "description": "The unit of measure for the invoiced item.",
  "enum": [
    "QUANTITY",
    "HOURS",
    "AMOUNT"
  ]
}