AI-generated Key Takeaways
- 
          A single operation can create, remove, or update an asset group. 
- 
          The update_maskfield is used to specify which fields are modified during an update operation.
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          The operationfield is a union field that determines the type of mutate operation.
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          The createoperation does not require a resource name, whileupdateandremoveoperations do.
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          The removeoperation expects the asset group's resource name in a specific format.
A single operation (create, remove) on an asset group.
| Fields | |
|---|---|
| 
 | FieldMask that determines which resource fields are modified in an update. | 
| Union field 
 | |
| 
 | Create operation: No resource name is expected for the new asset group | 
| 
 | Update operation: The asset group is expected to have a valid resource name. | 
| 
 | 
 Remove operation: A resource name for the removed asset group is expected, in this format:  |