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New custom field doesn't show up in table references

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Posted on by Sana Hammami

I extended a standard table in Dynamics 365 Finance & Operations by adding a custom field.

I need to set up security privileges on a menu item display that uses this table.

However, when I navigate to the security privilege settings and attempt to configure field-level permissions, my new custom field is not showing up in the list of available fields, despite having synchronized the database, rebuilt the solution

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Dynamics 365 Finance

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Sohaib Cheema 49,677 Super User 2026 Season 1 on at

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Hi,

Can you see that new field in the table browser ?

https://YourAxaptaInstance.Operations.Dynamics.Com/?cmp=USMF&mi=SysTableBrowser&TableName=CustTable

Note: change USMF with you own company code, and change the table name from CustTable to your own table name.

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Sana Hammami 85 on at

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Hello,

Yes it's visible

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Sana Hammami 85 on at

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When I create a security privilege and assign it directly to a table, my custom field is visible.

However, when I create a security privilege on a menu item display and select the datasource (CustTable in my case), the custom field does

not appear in the available fields list.

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Sidick 168 on at

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Have a look at this post from @André Arnaud de Calavon where he clearly explains how this works.

Securing a menu item is not enough - table permissions - Dynamicspedia

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Sohaib Cheema 49,677 Super User 2026 Season 1 on at

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Hi @Sana Hammami

I can confirm this behavior in the standard system. A custom field added to a table via an extension does not appear under Data Sources, even though a display menu item is added to the privilege (when the privilege is created from the UI).

However, the same custom field appears correctly in the list when accessed through Tables.

I believe the reason for this behavior could be that the menu item points to the base form (shipped by Microsoft), and is unaware of the existence of a custom field at the data source level.

You can continue by adding fields under tables.

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André Arnaud de Cal... 303,669 Super User 2026 Season 1 on at

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Hi Sana,

As mentioned above, this is indeed a limitation on the form data sources. Sohaib mentioned the work-around to manage this via the table permissions. Sidick shared my blog with more information about table permissions.

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