Changing materials in a 3d text

Hi. If you wnat to change from solid to image in the materials setting of a 3d text, there is no longer a loop button in the mediain tool (loder). Is there a new way of doing this in Resolve/ Fusion 15.
https://forum.blackmagicdesign.com/
https://forum.blackmagicdesign.com/viewtopic.php?f=21&t=72457