On the app appeal campaign of Display Ads (Auction), the ad measurement tool is used to track the installation of apps.
Conversion types and details
Conversion types that you can track are as follows. Refer to the details page for the mechanism of each conversion count and the settings in the Campaign Management Tool.
Conversion types
Details
Conversion via click on ads
First Setting for Tracking App Install (Conversion)
View through conversion of ad and video
What is view-through conversion
Conversion via video view
Tracking conversions after video view 
Tracking conversion by SKAdNetwork (iOS only)
SKAdNetwork measurement support for iOS app
Tools for tracking app installation and required parameters
Check the measurement tool corresponding to the conversion you want to measure, and then make a contract and install the tool.
Tool provider name
Tool name
Required parameter
Conversions via click
Conversion via video view
View through conversion
SKAdNetwork measurement (iOS only)
Metaps, Inc.
Metaps Analytics
(via click)
click_id={ci}、device_id={ifaSha1}
(via video view)
impression_id={ci}、device_id={ifa}
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adjust KK
Adjust
*For iOS:
install_callback={installCallback}, idfa={ifa}
*For Android:
install_callback={installCallback}, gps_adid={ifa}
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AppsFlyer
AppsFlyer
*For iOS:
clickid={ci}, idfa={ifa}
*For Android:
clickid={ci}, advertising_id={ifa}
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Branch Metrics
Branch Universal Ads
*For iOS:
%24idfa={ifa}、~click_id={ci}
*For Android:
%24aaid={ifa}、~click_id={ci}
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Kochava
Kochava
device_id={ifaSha1}
click_id={ci}
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Singular
Singular
Check with your tool provider.
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*As of June 2022.
Common parameter for tools
Parameters for cache busting
*Contact your tool provider to confirm whether you need this parameter and how to set the parameter.
XXX=__timestamp__
*Descriptions other than the above (XXX = [timestamp], etc.) are invalid.
 
*Tools that can track app installation and available parameters may change without prior notice.
Note
	
Depending on the tool you use, parameters other than the above may be available. Please contact your tool supplier for details.
	
Yahoo! JAPAN does not support specification and settings such as setups and issuing of Beacon URL of tools that can track app install. Please contact your tool supplier.