Filter makes it easy for one to refine the listing. One by add columns into the Filter pane by simply dragging it into it.
The snapshot of the form shown below is taken from the CRM application found in default Joget's installation package.
Figure 1: Datalist Filter
...
Figure 3: Listing in Userview taken from CRM Application.
Figure 4: Filtered Listing in Userview taken from CRM Application.