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AppSourceCop Hidden AS0073

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Obsolete Tag must be set.

Description

Obsolete Tag must be set.

Remarks

When an object, element, variable or procedure is marked as obsolete, you should also specify an obsolete tag. The obsolete tag can be used to provide information, such as the timeline of the deprecation, to developers that are referencing it. The obsolete tag appears in the message of the diagnostics AL0432 and AL0433 reported by the AL compiler when referencing obsolete elements.

The format of the Obsolete tag is not validated by the AL compiler. However, you can specify an expected format to be validated by the AppSourceCop. For more information, see AS0076.

Setting up AppSourceCop to validate the Obsolete Tag

The diagnostics for rule AS0073 are hidden by default, so you first have to use a ruleset in order to surface them.

For example, the following ruleset turns the diagnostic for rule AS0073 into an error.

{
    "name": "My custom ruleset",
    "rules": [
        {
            "id": "AS0073",
            "action": "Error",
            "justification": "Validating that obsolete tags are specified is important"
        }
    ]
}

{
    "al.ruleSetPath": "custom.ruleset.json"
}

Note

In order to fully validate obsolete properties and attributes, it is recommended to enable the rules AS0072, AS0073, AS0074, AS0075, and AS0076.

How to fix this diagnostic?

When the property Obsolete State is used to mark an object as Obsolete Pending or Obsolete Removed, you need to also specify the property Obsolete Tag.

When the attribute Obsolete is used, you need to specify the obsolete tag attribute parameter.

Code examples triggering the rule

Example 1 - Table marked as Obsolete Pending

table 50100 MyTable
{
    ObsoleteState = Pending;
    ObsoleteReason = 'This table has been deprecated for reason X. Use table Y instead.';

    fields
    {
        field(50100; MyField; Integer) { }
    }
}

Example 2 - Procedure marked as Obsolete

codeunit 50100 MyCodeunit
{
    [Obsolete('This procedure is being deprecated for reason X. Use procedure Y instead.')]
    procedure MyProcedure()
    begin
        // Business logic.
    end;
}

Code examples not triggering the rule

Example 1 - Table marked as Obsolete Pending

table 50100 MyTable
{
    ObsoleteState = Pending;
    ObsoleteReason = 'This table is being deprecated for reason X. Use table Y instead.';
    ObsoleteTag = 'This table is being deprecated with the newest build of the product.';

    fields
    {
        field(50100; MyField; Integer) { }
    }
}

Example 2 - Procedure marked as Obsolete

codeunit 50100 MyCodeunit
{
    [Obsolete('This procedure is being deprecated for reason X. Use procedure Y instead.', 'This table is being deprecated with the newest build of the product.')]
    procedure MyProcedure()
    begin
        // Business logic.
    end;
}

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