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Custom API - Sales Order - Import but Not Validate

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Posted on by Kev L

Dear experts,

I created a custom API by copying the base code and add a few lines to include my custom fields.

I wish to import <Requested Delivery Date> from my custom API and not validate it so that the value of <Requested Delivery Date> doesn't trigger the downstream function where it'd override the Planned Delivery Date in the Sales Order Lines.

I tried to remove the on validate function but that will result in null value.

Postman Result after remove on validate:

Snippet of codes from ALAppExtensions/Apps/W1/APIV2/app/src/pages/APIV2SalesOrders.Page.al at main · microsoft/ALAppExtensions · GitHub

field(requestedDeliveryDate; Rec."Requested Delivery Date")
{
Caption = 'Requested Delivery Date';

trigger OnValidate()
begin
RegisterFieldSet(Rec.FieldNo("Requested Delivery Date"));
end;
}

Categories:

Dynamics 365 Business Central

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Holly Huffman 6,530 Super User 2025 Season 2 on at

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Good morning, afternoon, or evening depending on your location!

It looks like removing the OnValidate trigger is causing the Requested Delivery Date field to return a null value in your custom API.
The issue likely arises because the field is not being explicitly set when validation is removed.

Possible Solutions:

Manually Assign the Field Value:

Instead of relying on validation, explicitly set the field value in the API logic.

Example:
field(requestedDeliveryDate; Rec."Requested Delivery Date")
{
    Caption = 'Requested Delivery Date';
    trigger OnInsert()
    begin
        Rec."Requested Delivery Date" := requestedDeliveryDate;
    end;
}

This ensures the field is populated without triggering validation.

Use a Temporary Field:

Create a temporary field to store the Requested Delivery Date before applying it to the actual field.

This prevents downstream functions from overriding the Planned Delivery Date.

Modify API Behavior:

If the API automatically triggers validation, consider overriding the default behavior by using a custom extension.

Check API Response Handling:

Ensure that the API correctly maps the field in the response.

If the field is missing, verify that it is included in the API definition.

Hope this helps some!

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Khushbu Rajvi. 20,441 Super User 2025 Season 2 on at

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Check this: https://www.youtube.com/watch?v=LpC3WU2x5Go

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YUN ZHU 95,681 Super User 2025 Season 2 on at

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Hi, The logic of this part is quite special. It is not directly inserted into the Sales Header, but through the intermediate table. If you delete this part of the code, it means that this value is not inserted into the intermediate table, so it is empty.

I suggest you try to restore the value after OnInsert. This should solve the problem.

Hope this can give you some hints.

Thanks.

ZHU

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