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Small and medium business | Business Central, N...
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Making a field that is in the base application mandatory.

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I am trying to make certain fields mandatory in the Sales Header. These fields are in the base application so I cant just add the field and make it mandatory. I also researched and found that you cannot modify the field in a extension to make mandatory. For example, I can't make a table or page extension and modify a field to NotBlank = true. Also at the same time I cannot find some of the fields when I open the Page Inspection, like Customer PO no., My question is how do I, in the code, make a field mandatory that Microsoft has created? I did create this in a table extension, but I am not sure if it correct.
 
tableextension 90000 /BLP Sales Header Extension/ extends /Sales Header/
{
    fields
    {
        // Add changes to table fields here
        modify(/Requested Delivery Date/)
        {
   
            trigger OnBeforeValidate()
            begin
                if /Requested Delivery Date/ = 0D then
                    Error('Requested Delivery Date is mandatory.')
            end;
        }
 
        modify(/Due Date/)
        {
 
            trigger  OnBeforeValidate()
            begin
                if /Due Date/ = 0D THEN
                Error('Due Date is mandatory.')
            end;
        }
 
       
 
    }
  • Suggested answer
    Mohana Yadav Profile Picture
    Mohana Yadav 59,194 Super User 2024 Season 2 on at
    Making a field that is in the base application mandatory.
    The best option is to validate the fields at the time of Document Release or posting.

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