Make Field Editable & Non-Editable and Visible & Non Visible in D365 BC:
For making field “Editable” and “Visible” in Base Application object in Dynamics 365 Business Central. Use “Editable” and “Visible” syntax.
Let’s take an example. Take the “Posting Date” field of the Sales Order.
Example-01: Editable.

modify(“Posting Date”) { Editable = True; } |
Example-02: Non-Editable.

modify(“Posting Date”) { Editable = False; } |
Example-03: Visible.

modify(“Posting Date”) { Visible = True; } |
Example-04: Non-Visible.

modify(“Posting Date”) { Visible = False; } |
How to Create New Database in Microsoft SQL Server How to Attach MDF file Without LDF File by using SSMS How to change Caption or Name of existing Field in D365 BC Editable Property– Microsoft Docs |