AI-generated Key Takeaways
- 
          A MetricHeader describes a metric column in a report, but only for visible metrics requested in the report. 
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          The MetricHeader includes the metric's name (string) and its data type (MetricType enum). 
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          MetricType specifies the value type of a metric, including various numerical and duration types. 
Describes a metric column in the report. Visible metrics requested in a report produce column entries within rows and MetricHeaders. However, metrics used exclusively within filters or expressions do not produce columns in a report; correspondingly, those metrics do not produce headers.
| JSON representation | 
|---|
| {
  "name": string,
  "type": enum ( | 
| Fields | |
|---|---|
| name | 
 The metric's name. | 
| type | 
 The metric's data type. | 
MetricType
A metric's value type.
| Enums | |
|---|---|
| METRIC_TYPE_UNSPECIFIED | Unspecified type. | 
| TYPE_INTEGER | Integer type. | 
| TYPE_FLOAT | Floating point type. | 
| TYPE_SECONDS | A duration of seconds; a special floating point type. | 
| TYPE_MILLISECONDS | A duration in milliseconds; a special floating point type. | 
| TYPE_MINUTES | A duration in minutes; a special floating point type. | 
| TYPE_HOURS | A duration in hours; a special floating point type. | 
| TYPE_STANDARD | A custom metric of standard type; a special floating point type. | 
| TYPE_CURRENCY | An amount of money; a special floating point type. | 
| TYPE_FEET | A length in feet; a special floating point type. | 
| TYPE_MILES | A length in miles; a special floating point type. | 
| TYPE_METERS | A length in meters; a special floating point type. | 
| TYPE_KILOMETERS | A length in kilometers; a special floating point type. |