Js help - building request params before http request node

Questions
1

Describe the problem/error/question

I’m not fluent with js, come mostly from the PHP/bash world.
I have the data below, and I need to create invoice line items for each billing object below - however the API (CreateInvoice - WHMCS Developer Documentation) takes query params in the url encoded array format: lineitemX where X is the array index.

How do I transform the data? I tried using the code node and use forEach on the billing object:

const itemlines = {};
$input.item.json.billing.forEach(function (value, i) {
  itemlines[i] = "value";
});

but that gives me syntax errors.

What is the error message (if any)?

Please share your workflow

[
{
"client_id": 
100,
"billing": 
[
{
"domain": 
"testdomain123.com",
"active_email_accounts": 
44
},
{
"domain": 
"testdomain456.com",
"active_email_accounts": 
1
}
],
"sum": 
45
}
]

Information on your n8n setup

  • n8n version: 1.39.1
  • Database (default: SQLite): sqlite
  • n8n EXECUTIONS_PROCESS setting (default: own, main): own
  • Running n8n via (Docker, npm, n8n cloud, desktop app): docker
  • Operating system: debian11
2

Hi @davids, if you want to simply separate the billing object into separate items, maybe you could try using the Split Out Node in your workflow? Would that help?