post https://api.erp.release.slade360edi.com/api/sales/salesinvoices
This endpoint is used to create a new sales invoice.
| Key | Type | Description |
|---|
| customer | text | Customer id |
| source_organisation_unit | text | Department id |
| description | text | Description of invoice |
| invoice_date | text | Date in YYYY-MM-DD format |
| sales_type | text | Type of sale made (cash, credit) |