The Condition Designer (1) has a similar look and feel as the standard "Advanced Find" Dialog in Dynamics365.
Also the available options are similar.
The Condition Designer (1) is part of the Condition Field functionality of DocumentsCorePack. Details
about this functiionality can be found here.
Figure 1: The condition designer within the condition field dialog
This step by step description will show you how to the condition designer to create your condition.