Publishing a web service is one of the easiest things we will ever do in Business Central. However, as stated earlier, this doesn't mean that we will be able to simply publish existing objects without creating versions specifically tailored for use with web services. However, for the moment, let's just go through the basic publishing process.
The first column allows us to specify whether the object is a page, codeunit, or query. This is followed by the OBJECT ID, and then the SERVICE NAME. Finally, the PUBLISHED flag must be checked:
As you can see, at this point, the web services for that object are published.