You can export any Unreal Texture asset data into Reality API.
Click EDIT and the PROJECT SETTINGS from the top menu.
Scroll down, click Exports under Reality Tab.
Click ➕ button on Textures tab. Click 0 index. Click texture that will be exported. You can change Export Name. Close the Project Settings window.
Launch the Reality Control and press F7 to launch the Reality Setup.
Click PLAY on Reality Editor.
Right click onto Reality Setup graph. Click CREATE → MEDIA I/O → UNREAL TEXTURE
Click texture node will be created. Click Texture and you can able to select the texture that you exported on Reality Editor.
We recommend that set true UpdateEveryFrame.