The following Blueprints are available to modify the Shield Settings:
Transform
Camera – Optical Parameter
Camera – Lens Distortion
Camera – Camera Settings
Shadow Catcher Settings
Reflection Catcher Settings
Split Scene Options
Post Process Volume
Foreground Objects Lists
Garbage Matte Objects Lists
HoldOut Matte Objects Lists
Shadow Catcher Objects Lists
Reflection Catcher Objects Lists
Occlusion Objects Lists