{
"addOnId": "string",
"description": "string",
"fromDatetime": "2019-08-24T14:15:22.123Z",
"invoiceDisplayName": "string",
"name": "string",
"taxCodes": [
"string"
],
"toDatetime": "2019-08-24T14:15:22.123Z",
"unitAmountCents": "string",
"units": {
"units": "string",
"nanos": 0
}
}