AlmondTill/G3N API

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arPay

mutation · in the family Selling

What it does

Take a payment against a customer’s house account.

PAY DOWN a house account: ONE payment AREntry + the CONDITIONED balance decrement + THE FIFO FRONTIER ADVANCE land in ONE transaction (strictly oldest-first over open charges; ledger entries stay 100% immutable — the frontier pair moves on the MASTER). amountMinor ≤ arBalanceMinor else CONFLICT/INSUFFICIENT_AR_BALANCE naming live figures (AR never negative; prepayment/credit balances = the named deferral). NO allocations array (deterministic law + the event lake = the audit trail). Requires the unrestricted capability.

What happens

The payment applies strictly oldest-first across open charges — the deterministic law; the ledger records it forever.

Careful

Money in, applied oldest-first ALWAYS (no cherry-picking invoices in v1 — that is the recorded rule).

Who may call it

Capability area: Selling — Ringing sales, serving customers and issuing invoices.

Arguments

NameTypeRequiredNotes
inputArPayInput ArPayInput!yesNo further notes.

Returns

OrgCustomer OrgCustomer! — An OrgCustomer — the per-org selling ENABLEMENT of a group CorporateCustomer, the sell-side mirror of the OrgVendor: an ACTIVE OrgCustomer IS the B2B selling enablement (no B2B terms without one). Parent = the ORGANIZATION (not the family root); the selection IS the (org × corporateCustomer) edge — ≤1 live per pair via the UNIQ pair marker minted IN the create transaction. Terms payload: accountNumber · canned paymentTerms (the registry SHARED with the OrgVendor; NO free-text twin — a born construct starts canned-only) · creditLimit/orderMinimum house Money on the sell-side currency rule (NO local currency field — every money field matches the org's defaultCurrency at set, create AND edit; the OrgVendor's local purchasingCurrency is deliberately NOT mirrored; ENFORCEMENT is credit / minimums) · the customerPriceGroupId carrier (in-tenant + ACTIVE at set — the member-carrier class; the order-time B2B precedence law is; the CPG doom RI gains this SECOND carrier class) · billToContactId/shipToContactId (non-doomed + a LIVE ContactAssignment on THIS customer's host — sell-side counterparty addresses need host-membership integrity, the disclosed OrgVendor divergence). Deactivate FREE (selling paused); doom structurally unblocked EXCEPT live holder ExemptionCertificates. The priceListId carrier is LIVE. MOQ/case enforcement is.

Example request

mutation ExampleArPay($input: ArPayInput!) {
  arPay(input: $input) {
    id
    sysId
    type
    caption
    status
    parentId
    rootId
    createdAt
    updatedAt
    revisionNum
    revision
    corporateCustomerId
    accountNumber
    paymentTerms
    customerPriceGroupId
    priceListId
    billToContactId
    shipToContactId
    code
    arBalanceMinor
    arCurrency
  }
}

Variables:

{
  "input": {
    "orgCustomerId": "01900000-0000-7000-8000-ba56ff800000",
    "amountMinor": 1,
    "reason": "Correcting a miscount."
  }
}

Send it with the envelope naming the version: "extensions": {"at": {"version": {"name":"genesis","number":0}}}.

Example response

{
  "data": {
    "arPay": {
      "id": "01900000-0000-7000-8000-37386ae00000",
      "sysId": "EC-EXMP-0000-000F",
      "type": "OrgCustomer",
      "caption": "Blue jeans",
      "status": "active",
      "parentId": "01900000-0000-7000-8000-065235280000",
      "rootId": "01900000-0000-7000-8000-a093dd800000",
      "createdAt": "2027-01-31T00:00:00.000Z",
      "updatedAt": "2027-01-31T00:00:00.000Z",
      "revisionNum": 1,
      "revision": "01900000-0000-7000-8000-b7960e180000",
      "corporateCustomerId": "01900000-0000-7000-8000-e09097190000",
      "accountNumber": "<account number>",
      "paymentTerms": "<payment terms>",
      "customerPriceGroupId": "01900000-0000-7000-8000-dfbf5aa40000",
      "priceListId": "01900000-0000-7000-8000-7844e9fb0000",
      "billToContactId": "01900000-0000-7000-8000-cd1d9f9e0000",
      "shipToContactId": "01900000-0000-7000-8000-abe45fdf0000",
      "code": "BJ-001",
      "arBalanceMinor": 1,
      "arCurrency": "<ar currency>"
    }
  },
  "extensions": {
    "at": {
      "callId": "01EXAMPLE-CALL-ID",
      "version": {
        "requested": {
          "name": "genesis",
          "number": 0
        },
        "serviced": {
          "name": "genesis",
          "number": 0
        }
      }
    }
  }
}

Errors this call can answer

Used in