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How to call action from within the OnValidate trigger (AL Development)

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Posted on by 397 User Group Leader

Hello, don't know if I am right here but anyway:

I don't get it how to call an action/procedure from  withhin the OnValidate() function inside a field - to simple to get it.

The exercise is to:

  1. Call the procedure GetSuggestion from within the OnValidate trigger.

Code blow:

page 50112 StatmentsCard
{
    PageType = Card;
    ApplicationArea = All;
    UsageCategory = Documents;
    Caption = 'Statments Card';

    layout
    {
        area(Content)
        {
            group(Eingabe)
            {
                Caption = 'Input';
                Description = 'Input';
                field(Schwierigkeitsgrad; Difficulty) //tpagefield
                {
                    ApplicationArea = All;
                    Description = 'Schwierigkeitsgrad';

                    trigger OnValidate()
                    begin

                    end;

                }
            }
            group(Ausgabe)
            {
                caption = 'Output';
                field(Vorschlag; Suggestion)
                {
                    ApplicationArea = All;
                    Description = 'Vorschlag';
                    Editable = false;
                }
                field(Ebene; Level)
                {
                    ApplicationArea = All;
                    Description = 'Ebene';
                    Editable = false;
                }
            }
        }
    }

    actions
    {
        area(Processing)
        {
            action(GetSuggestion)
            {
                ApplicationArea = All;

                trigger OnAction()
                begin
                    Level := '';
                    Suggestion := '';

                    case Difficulty of
                        1 .. 5:
                            begin
                                Level := 'Beginner';
                                Suggestion := 'Take e-Learning or remote training';
                            end;
                        6 .. 8:
                            begin
                                Level := 'Intermediate';
                                Suggestion := 'Attend instructor-Led';
                            end;
                        9 .. 10:
                            begin
                                Level := 'Advanced';
                                Suggestion := 'Attend instructor-Led and self study';
                            end;
                    end;
                end;
            }
        }
    }

    var
        Level: Text[30];
        Suggestion: Text[80];
        Difficulty: Integer;
}

Thank you, 

Tom

  • Verified answer
    Rbansode Profile Picture
    Rbansode 5 on at
    RE: How to call action from within the OnValidate trigger (AL Development)

    Hi,

    You can not call the GetSuggestion action from the OnValidate trigger of the field.

    You can however call the same logic that you are calling in the "GetSuggestion" action from the OnValidate trigger.

    Ideally by creating a common procedure.

    Please verify my answer if you found it helpful. Thank you!

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