AI-generated Key Takeaways
- 
          This operation allows you to create, update, or remove a single campaign draft. 
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          The update_maskfield is used to specify which fields are modified during an update operation.
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          The operationfield, which can becreate,update, orremove, determines the type of action performed on the campaign draft.
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          Creating a campaign draft does not require a resource name, while updating or removing one requires a valid resource name. 
A single operation (create, update, remove) on a campaign draft.
| Fields | |
|---|---|
| 
 | FieldMask that determines which resource fields are modified in an update. | 
| Union field 
 | |
| 
 | Create operation: No resource name is expected for the new campaign draft. | 
| 
 | Update operation: The campaign draft is expected to have a valid resource name. | 
| 
 | 
 Remove operation: The campaign draft is expected to have a valid resource name, in this format: 
 |