Facial Expression and Shop UI Check

When writing the dialogue for Wayfinders, I always had certain facial expressions in mind for whatever anyone was saying. However, since Unreal so much more complex to use, I had to learn of a way to include them. For those that aren't familiar with how Unreal works, I'll do my best to explain what I had to do in order to have the characters have facial expressions. I have to put on a faceplate for every character which has a material that makes it so only the mouth will show. Within the material is something called a texture which is the "painting" of the mouth. In order to have a character's mouth change in real time (during gameplay), I have to have a string of commands that switches out the texture to a "painting" of a different type of mouth. Hopefully that makes sense but if not, here's what switching the texture looks like: