AI-generated Key Takeaways
- 
          This document describes categories of artifacts, detailing their types and behavior in search queries. 
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          Artifact categories include RESOURCE, ATTRIBUTE, SEGMENT, and METRIC, each with a specific function. 
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          ATTRIBUTE fields may segment queries depending on the attributed resource, while SEGMENT fields always segment queries. 
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          METRIC fields are metrics that never segment search queries. 
The category of the artifact.
| Enums | |
|---|---|
| 
 | Unspecified | 
| 
 | Unknown | 
| 
 | The described artifact is a resource. | 
| 
 | The described artifact is a field and is an attribute of a resource. Including a resource attribute field in a query may segment the query if the resource to which it is attributed segments the resource found in the FROM clause. | 
| 
 | The described artifact is a field and always segments search queries. | 
| 
 | The described artifact is a field and is a metric. It never segments search queries. |