AI-generated Key Takeaways
- 
          Conversion custom metric header uses JSON representation for data exchange. 
- 
          The JSON object includes idandnamefields.
- 
          The idrepresents the conversion custom metric ID as a string inint64format.
- 
          The namedefines the user-specified name for the conversion custom metric.
Message for conversion custom metric header.
| JSON representation | 
|---|
| { "id": string, "name": string } | 
| Fields | |
|---|---|
| id | 
 The conversion custom metric ID. | 
| name | 
 The user defined name of the conversion custom metric. | 
