SMS integration logic to trigger after posting via the Post button

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Posted on by Mian Shabir 7

I added SMS integration logic to trigger after posting via the Post button, and it works correctly — the browser opens and the SMS is sent to the customer.
However, I noticed that the SMS is also being sent when using Posting Preview, which should not happen. Can anyone advise why the Preview Posting process is triggering the same SMS logic? I urgently need the correct approach to prevent SMS from sending during Preview Posting.
The code unit reference is attached below. Your quick guidance would be greatly appreciated.

codeunit 50331 "Sales Order Post SMS Auto"
{
[EventSubscriber(ObjectType::Codeunit, Codeunit::"Sales-Post", 'OnAfterPostSalesDoc', '', false, false)]
local procedure OnAfterPostSalesDoc(
SalesHeader: Record "Sales Header";
GenJnlPostLine: Codeunit "Gen. Jnl.-Post Line";
SalesShptHdrNo: Code[20];
SalesInvHdrNo: Code[20])
var
SMSCodeunit: Codeunit "Sales Order SMS Browser";
Customer: Record Customer;
PostedSalesInvHdr: Record "Sales Invoice Header";
begin
// ✅ Send only for invoices
if SalesInvHdrNo = '' then
exit;

if PostedSalesInvHdr.Get(SalesInvHdrNo) then begin
PostedSalesInvHdr.CalcFields("Amount Including VAT"); // ✅ ensure amount is loaded

if Customer.Get(PostedSalesInvHdr."Sell-to Customer No.") then begin
Customer.CalcFields(Balance, "Balance (LCY)"); // ✅ ensure balance is accurate

if Customer."Phone No." <> '' then
SMSCodeunit.SendSMSViaBrowser(
PostedSalesInvHdr."Sell-to Customer Name",
PostedSalesInvHdr."No.", // ✅ Posted Invoice No.
PostedSalesInvHdr."Amount Including VAT", // ✅ Actual Invoice Amount
Customer."Balance (LCY)", // ✅ Up-to-date Remaining Balance
Customer."Phone No.")
else
Message('⚠️ No phone number found for customer %1', Customer."No.");
end else
Message('⚠️ Customer not found.');
end;
end;
}

Categories:

Dynamics 365 Business Central

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Pallavi Phade 5,420 Super User 2026 Season 1 on at

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Namaste @Mian Shabir 7

If you want to skip preview posting you have to set the event in below way

Please put the condition Preview Mode - False in your code and rest should work . please check in sandbox

Regards

Pallavi Phade

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Aman Kakkar 2,977 Super User 2026 Season 1 on at

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Hi,

The reason your SMS code is running during Preview Posting is because you subscribed to an event that is also triggered in preview mode.

The event OnAfterPostSalesDoc has a PreviewMode parameter, but you did not include it in your subscriber signature, so BC calls your subscriber even during preview.

To fix it, you must ensure that your procedure must match the full signature of the event, and then you can use the PreviewMode parameter to conditionally exit when the call is from Preview Posting -

[EventSubscriber(ObjectType::Codeunit, Codeunit::"Sales-Post", 'OnAfterPostSalesDoc', '', false, false)] local procedure OnAfterPostSalesDoc( var SalesHeader: Record "Sales Header"; var GenJnlPostLine: Codeunit "Gen. Jnl.-Post Line"; SalesShptHdrNo: Code[20]; RetRcpHdrNo: Code[20]; SalesInvHdrNo: Code[20]; SalesCrMemoHdrNo: Code[20]; CommitIsSuppressed: Boolean; InvtPickPutaway: Boolean; var CustLedgerEntry: Record "Cust. Ledger Entry"; WhseShip: Boolean; WhseReceiv: Boolean; PreviewMode: Boolean) begin if PreviewMode then exit; // … your SMS logic … end;

Do mark as verified if this helps.

Aman K

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OussamaSabbouh 12,808 Super User 2026 Season 1 on at

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Hello,

Posting Preview runs the same posting codeunit, so your subscriber fires there too.

To stop SMS during preview, just add:

if not GuiAllowed then

exit;

(or if SalesHeader.IsTemporary() then exit;)

Real posting → SMS

Preview posting → skipped.

Regards,

Oussama Sabbouh

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Gerardo Rentería Ga... 25,555 Most Valuable Professional on at

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Hi, good day
I hope this can help you, and give you some hints

#msdyn365bc - Customize Preview Posting.

Best Regards
Gerardo

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YUN ZHU 99,055 Super User 2026 Season 1 on at

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Hi, As other experts have mentioned, the event you subscribed to includes the PreviewMode parameter, which you can use directly to skip.

Thanks

ZHU

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