# scene and collection
*
*
## active scene
get
`bpy.context.scene`
set
```py
bpy.context.window.scene = bpy.data.scenes['Scene.001']
```
## master collection
`bpy.context.scene.collection`
> While the master collection contains all the Scene’s objects
> collections of Objects
## nested collection
```py
collection = bpy.data.collections.new(name='name')
context.scene.collection.children.link(collection)
```
## view layer
`bpy.context.view_layer`
Collection をグループ化して可視制御する。