AI-generated Key Takeaways
- 
          This content describes a single operation for modifying a Keyword Plan ad group, which can be creating, updating, or removing. 
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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 is a union field that can be one of three types:create,update, orremove.
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          The createoperation does not require a resource name, while theupdateandremoveoperations do, withremoverequiring a specific format for the resource name.
A single operation (create, update, remove) on a Keyword Plan ad group.
| Fields | |
|---|---|
| 
 | The FieldMask that determines which resource fields are modified in an update. | 
| Union field 
 | |
| 
 | Create operation: No resource name is expected for the new Keyword Plan ad group. | 
| 
 | Update operation: The Keyword Plan ad group is expected to have a valid resource name. | 
| 
 | 
 Remove operation: A resource name for the removed Keyword Plan ad group is expected, in this format: 
 |