Hasebe/Library/PackageCache/com.unity.recorder@0b23bb7a1fb4/Documentation~/InclCaptureOptionsRenderTextureAsset.md

These properties appear when you set Source to Render Texture Asset.

Property	Function
Render Texture	Points to the render texture you want the Recorder to capture.
Size	The actual dimensions (width x height) of the targeted Render Texture.