Microsoft Dynamics AX (Archived)

How to create Objects(tables/class etc) and Object extension(tables extension / class extension etc) through X++ code in D365 VS

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Posted on by GopalRC

Any help would really be appreciated.

I have a requirement wherein I need to create Object and Object Extension in D365/AX7 through X++ code

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GopalRC 75 on at

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Hi Sukrut Parab,

I have gone through the link.

I mean I need to create objects through X++ code in D365.

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GopalRC 75 on at

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HI Sukrut Parab,

I have a sample code, using the standard class of D365 I'm trying to create a Class object.

It throws an exception any Idea please find Screenshot.

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nmaenpaa 101,160 Moderator on at

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What is your business requirement?

You can't create new AOT objects during runtime with D365FO, like you could with previous versions of Dynamics AX. Your sample code is clearly intended to be used with Dynamics AX 2012 or older version, not Dynamics 365 for Operations.

You can create new AOT objects only with Visual Studio. Then you build them to dll assemblies, and deploy to test/prod.

It's not possible to create new AOT objects in test/prod, there you can only run the assemblies that you created in dev/build.

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André Arnaud de Cal... 301,035 Super User 2025 Season 2 on at

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Hi GopalRC,

As the development environment has been separated from the application in comparison with AX2012, you cannot create all type of objects like before. Using some dlls, Microsoft is now able to create runtime extensions for table fields and security artifacts. You can still add form objects with x++ coding on existing forms.

What is the exact scenario you are trying to achieve? Then it would be much easier to tell you if your scenario is possible or not.

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GopalRC 75 on at

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Hi André Arnaud and Nikolaos,

below is the requirement.

I have an excel file which consists of table metadata.

Reading the excel file, I need to create a new table in D365 with proper table structure.

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GopalRC 75 on at

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Hi Sukrut, André Arnaud, and Nikolaos,

I would do only in "Development environment", Not in the Production environment.

Basically, I'm trying to create an Automation tool which would be able to create Table, classes etc in "Development environment" reading the metadata file(Excel/XML etc.).

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André Arnaud de Cal... 301,035 Super User 2025 Season 2 on at

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Hi Gopal,

In this case, you should have a look if you can create a Visual Studio extension (similar to Data entity wizard) which is able to create new object files (xml-based). I'm not familiar with this type of extensions.

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GopalRC 75 on at

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Hi Sukrut, André Arnaud, and Nikolaos,

As you people said in above reply, I was suspecting same. So, after your suggestion, it stopped me from going in dark directions. :-)

D365 F&O: Findings as follows

I'm able to create a new Table and its contents by manually placing the XML file format on to the respective model.

I'm able to create Extension of Table and its contents by manually placing the XML file format on to the respective model.

Could you please let me know is there any impact on the above approach?

Point of Action: I would develop a logic which will create an XML file(by reading XML, Excel etc)in the D365 format and place it in the right model folder on local D365 VM.

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