UnityCACAO-HDRP17/com.unity.render-pipelines.high-definition/Documentation~/snippets/shader-properties/advanced-options/override-baked-gi.md

Override Baked GI Indicates whether this Material ignores global illumination (GI) in the Scene and instead uses custom GI values. Enable this setting to add two baked GI Blocks to the Fragment Context that control GI for the Material. Disable this setting to make the Material use the Scene's GI.