AI-generated Key Takeaways
- 
          This operation allows for a single update or removal of customer user access. 
- 
          The update_maskfield is used to specify which resource fields are modified during an update.
- 
          The operationfield can be either anupdateor aremoveoperation.
- 
          An update operation requires the customer user access to have a valid resource name. 
- 
          A remove operation requires the resource name of the access being removed. 
A single operation (update, remove) on customer user access.
| Fields | |
|---|---|
| 
 | FieldMask that determines which resource fields are modified in an update. | 
| Union field 
 | |
| 
 | Update operation: The customer user access is expected to have a valid resource name. | 
| 
 | 
 Remove operation: A resource name for the removed access is expected, in this format: 
 |