This menu is used to save the material properties.
Example:
You want the Metallic material you created with the textures to be set with a Specular of 0.05, just check the box next to the Roughness set to your liking and press the Replace into json button.
Note: To show this Menu, you must be in the Main Node Tree of an Extreme PBR material, you must have selected 1 Module / Fx, to view the properties to be stored.
