AI-generated Key Takeaways
- 
          This page details the different types of experiments used in advertising. 
- 
          Experiment types include UNSPECIFIED,UNKNOWN, and various platform-specific or campaign-specific options likeDISPLAY_AND_VIDEO_360,AD_VARIATION,YOUTUBE_CUSTOM, and others.
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          Several experiment types are available for comparing automated bidding strategies across display, search, and shopping campaigns. 
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          A deprecated experiment type for smart matching with search campaigns is also listed. 
The type of the experiment.
| Enums | |
|---|---|
| 
 | Not specified. | 
| 
 | The value is unknown in this version. | 
| 
 | This is a DISPLAY_AND_VIDEO_360 experiment. | 
| 
 | This is an ad variation experiment. | 
| 
 | A custom experiment consisting of Video campaigns. | 
| 
 | A custom experiment consisting of display campaigns. | 
| 
 | A custom experiment consisting of search campaigns. | 
| 
 | An experiment that compares bidding strategies for display campaigns. | 
| 
 | An experiment that compares bidding strategies for search campaigns." | 
| 
 | An experiment that compares bidding strategies for shopping campaigns. | 
| 
 | DEPRECATED. A smart matching experiment with search campaigns. | 
| 
 | A custom experiment consisting of hotel campaigns. |