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In order to map Accounts from ADvendio to Freewheel the ID of the Advertiser or Agency will be saved in the Account-related list "External Account IDs".

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To manage these IDs in ADvendio you can do the following:

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Read here how to configure the  7.3.6.5 How to configure Delivery Data Imports from FreeWheel to ADvendio.

3. AdServer Status

Xandr uses the status field Adserver Status on the Media Campaign which you need to add to your layout to edit or view it for relevant users (AdOps/Sales). The users can then select the stage for the campaign and its campaign items which then will be sent to the AdServer. Please also consider the following chapter and make sure that the mapping in the custom setting is correct: 7.3.14.1 Configure "Update Ad-Status in AdServer".
For further information about the status please take a look at this page: 4.8.5 How to update the status of my Insertions Orders / Campaigns in the AdServer/SSP and approve Orders in Google AdManager?.

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In case you are in contact with Freewheel support and they ask you for a token to reproduce issues.

Advendio uses the URL https://api.freewheel.tv/auth/token?grant_type=password&username=<USERNAME>&password=<PASSWORD <https://api.freewheel.tv/auth/token?grant_type=password&username=%3CUSERNAME%3E&password=%3CPASSWORD>> and account API_FW_Advendio to generate oAUTH token. Each time we try to access the data, we generate a new token.