Collections! Blender 2.80 replaced groups and scene layers with collections. In this chapter of Scripting for Artists, Sybren explains how to handle them from your scripts.

• Accessing collections from Python 00:48
• Creating collections 04:44
• Linking objects to collections 8:09
• Moving objects between collections 8:59
• Handling errors when they occur 11:08
• Setting visibility flags 14:47

More Scripting for Artists at https://cloud.blender.org/p/scripting-for-artists/

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