AI-generated Key Takeaways
- 
          The content describes a single update operation for an account link. 
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          The update_maskfield uses a FieldMask to specify which resource fields are modified during an update.
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          The operationunion field determines the type of operation, which can be eitherupdateorremove.
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          An updateoperation requires a valid resource name for the account link, while aremoveoperation requires the account link's resource name in a specific format.
A single update on an account link.
| Fields | |
|---|---|
| 
 | FieldMask that determines which resource fields are modified in an update. | 
| Union field 
 | |
| 
 | Update operation: The account link is expected to have a valid resource name. | 
| 
 | 
 Remove operation: A resource name for the account link to remove is expected, in this format: 
 |