from samplehc import SampleHealthcare

client = SampleHealthcare(
    api_key="My API Key",
)
response = client.v2.ledger.assign_invoice(
    amount_usd_cents=0,
    ik="ik",
    institution_id="institutionId",
    invoice_id="invoiceId",
    order_id="orderId",
    reason="reason",
)
print(response.ledger_entry_id)

{
  "ledgerEntryId": "<string>"
}