AI-generated Key Takeaways
- 
          Describes the operations available for managing campaign budgets: create, update, or remove. 
- 
          Includes an update_maskfield for specifying which fields are modified during an update operation.
- 
          The operationfield is a union field that can be one ofcreate,update, orremove.
- 
          Each operation type ( create,update,remove) has specific requirements for the resource name.
A single operation (create, update, remove) on a campaign budget.
| Fields | |
|---|---|
| 
 | FieldMask that determines which resource fields are modified in an update. | 
| Union field 
 | |
| 
 | Create operation: No resource name is expected for the new budget. | 
| 
 | Update operation: The campaign budget is expected to have a valid resource name. | 
| 
 | 
 Remove operation: A resource name for the removed budget is expected, in this format: 
 |