AI-generated Key Takeaways
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VideoPosition is a field within the YieldGroupService that allows specifying the position of video ads.
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Video ad positions can be of various types including UNKNOWN, ALL, PREROLL, MIDROLL, and POSTROLL.
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For MIDROLL positions, a specific index can be provided using the
midrollIndexfield. - 
          
The VideoPosition field is used by several services including AdRuleService, ForecastService, and LineItemService.
 
- Namespace
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https://www.google.com/apis/ads/publisher/v202505 
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