REST API - Add PO Receipt to Bill - Need Help

Method: PUT 
Host: [<Acumatica ERP instance URL>]/entity/Default/20.200.001/Bill
Body:
{
    "DocumentType": {
        "value": "Bill"
    },
    "RefNbr": {
        "value": "Your Bill Nbr Here"
    },
    "Details": [
        {
            "POReceiptNbr": {
                "value": "000001"
            },
             "POReceiptLine": {
                "value": 1
            }
        }
    ]
}

Hey dnaumov,

I should have mentioned that we did initially start with what you are suggesting but were unable to make it fully work. All of the information would get entered into the Bill except for the Purchase Order number and the Receipt number on the detail line item. 

exceptionMessage:'Purchase order RO - 211127 not found.'

We are not sure why we get the message but we believe it is because the Purchase Order has a status of Complete. We cannot add the PO and Receipt numbers in manually through the UI either. However, when we use the “Add PO Receipt” button it works and links the Bill to the Receipt in the PO. So this is why we went down the path of trying to get the API to work with the AddPOReceipt button.

Perhaps we are missing something?

Here is the snippet of code making the request

export async function payPurchaseOrder(loginContext:LoginContext, poNumber:string):Promise<{bill:AcumaticaBill, check:AcumaticaCheck}> {
  try {
    const pos:AcumaticaPurchaseOrder[] = await loginContext.get('PurchaseOrder', `?$filter=OrderNbr eq '${poNumber}'&$expand=Details`, 'ManleyEndpoint', 0);
    const po = pos[0];
    const vendor:AcumaticaVendor = await loginContext.get('Vendor', `${po.VendorID.value}`, 'ManleyEndpoint', 0);
    const receipt:AcumaticaReceiptDetailOData[] = await loginContext.getOData('Art_PurchaseReceiptDetail', 0, `$filter=POOrderNbr eq '${poNumber}'`);
    const billDetails = receipt.map((receiptLine) => {
      const myPoDetail = po.Details.find((poDetail) => {
        return poDetail.OrderNbr.value === receiptLine.POOrderNbr && poDetail.LineNbr.value === receiptLine.POLineNbr;
      })
      if(!myPoDetail) {
        throw new Error(`Could not find the appropriate purchaseorder line item when trying to make a bill for receipt ${receiptLine.OrderNbr}, line ${receiptLine.LineNbr}`);
      }
      return {
        "note":           `Payment for PO number ${poNumber}`,
        "Account":        { value: "2020"},
        "Amount":         { value: myPoDetail.UnitCost.value},
        "Branch":         { value: "CORPORATE"},
        "Description":    { "value": `Received with ${receiptLine.OrderNbr} for PO ${receiptLine.POOrderNbr}`	},
        "ExtendedCost":   { value: myPoDetail.ExtendedCost.value},
        "POOrderNbr":     { value: `${receiptLine.POOrderNbr}`},
        "POOrderType":    { value: "Normal"},
        "POOrderLine":    { value: 1},
        "Qty":            { value: parseFloat(receiptLine.ReceiptQty)},
        "Subaccount":     { value: "00" },
        "TaxCategory":    { value: myPoDetail.TaxCategory.value},
        "InventoryID":    { value: receiptLine.InventoryID},
        "TransactionDescription": {value: `$${myPoDetail.ExtendedCost.value} for ${parseFloat(receiptLine.ReceiptQty).toFixed(0)} x ${receiptLine.InventoryID} for PO ${receiptLine.POOrderNbr}`},
        "UnitCost":       { value: myPoDetail.UnitCost.value},
        "UOM":            { value: myPoDetail.UOM.value},
        "ReceiptNbr":     { value: receiptLine.OrderNbr},
        "ReceiptLine":    { value: receiptLine.LineNbr},
        "POType2":        { value: receiptLine.POOrderType},
        "PONbr2":         { value: receiptLine.POOrderNbr},
      }
    });
    const myBill:any = {
      "note": "Created by internal API for PO " + poNumber,
      CreateBill:            {value: true},
      "Amount":              null, // { value: po.OrderTotal.value},
      "ApprovedForPayment":  { value: false},
      "Balance":             null, // { value: po.OrderTotal.value},
      "BranchID":            { value: "CORPORATE"},
      "CashAccount":         null, // { value: vendor.CashAccount.value},
      "CurrencyID":          { value: po.CurrencyID.value},
      "Date":                null,
      "Description":         { value: po.Description.value},
      "DueDate":             null,
      "Hold":                { value: true},
      "LocationID":          { value: po.Location.value},
      "PostPeriod":          null, // {value: "112021"},
      "ReferenceNbr":        null, // this is the primary key.  will be created by acumatica
      "Status":              null,
      "TaxTotal":            null, // { value: 0 },
      "Terms":               null, // { value: vendor.Terms.value },
      "Type":                { value: "Bill"},
      "Vendor":              { value: vendor.VendorID.value},
      "VendorRef":           { value: (po.VendorRef.value || "Unknown")},
      "Details": billDetails, /*,*/
    }
    let puttedBill:AcumaticaBill;
    try {
      puttedBill = await loginContext.put('Bill', myBill, 'ManleyEndpoint');
      puttedBill.Hold = {value: false};
      puttedBill = await loginContext.put('Bill', puttedBill, 'ManleyEndpoint');
    } catch(e) {
      // hmm..  This can happen if there was already another bill with the same vendor ref because a previous bill-create failed partway through.
      // test
      puttedBill = await loginContext.get('Bill', `?$filter=VendorRef eq '${myBill.VendorRef.value}'`, 'ManleyEndpoint', 0);
      debugger;
    }
}