In Oxygen's Facebook group, a user asks:

How can I insert dynamic data content that's not listed in the Insert Dynamic Data dialog?
For example, I like to insert the User Display Name content..
#oxygenbuilder #dynamicdata

We can create a small custom function that returns the currently logged in user's display name and show it on the front end using the Oxygen's PHP Function Return value feature.

Step 1

Install and activate Code Snippets plugin.

Go to Snippets > Add New.

Title: Return current user's display name

Code: