How can one retrieve the fields and data of child objects from a table using ADP?

Summary: I attempted to populate data from an endpoint into a table for binding with an ADP variable. While I successfully populated fields from the parent object, I'm encountering difficulties in retrieving and displaying the child object fields in the table columns. The result currently resembles an object, as present in the image.

The type and the variable,

Version (include the version you are using, if applicable): 23.07.1