When you use extension codeunits in Nav or BC it’s possible to publish a codeunit function in a page webservice which is exposed as Soap webservice. Recently we migrated a customer from Nav 2017 to BC14. After fixing the custom objects the page webservice didn’t show the codeunit method. After checking everything I found out that an important property needs to be set in the codeunit:
Set FunctionVisibility property to External:
Microsoft Azure, Microsoft Dynamics and more... 