Add and manage placements
To simplify implementation on the publisher’s side, you can provide a single Placement ID for your entire setup.
Within the Nexx360 UI, this placement can be mapped to multiple tagIds, based on a predefined criteria (e.g. ad unit, GPID, device, domain, size). This allows for:
A more granular view of reporting data
Better performance tracking and optimization
Easier implementation
How It Works
When a bid request is received, the system will:
Look at the mapping setup against your placement to find a matching tagId based on the context of the request
If a match is found, the corresponding tagId is used
If no match is found, the default tagId associated with the placement is used
Add a placement
If you haven’t created any tag IDs yet, you’ll need to do that first (see more details here).
Click the “Add Placement" button in the top-left corner of the Placement Management page.
Enter a placement name — this can be edited later if needed.
Select a default tagId - this will be used if no mapping rule applies against your placement based on the bid request
Define mapping between placement and tagIds You can now create mappings between the inventory and the tagIds. Click on "Add Mapping" button, select the site and the tagId you want to map and the targeting you want to associate to this tagId. There are several options available:
Adunit Code
Bundle
Device
Domain
GPID (supports wildcard prefix matching — see below)
Media Type
Size
You can target only one category or a combination of categories.
GPID Wildcard Matching
GPID targeting supports wildcard prefix matching using * at the end of a value. For example, /5144/desktop/sale/cars/* will match any GPID starting with /123456/desktop/sale/cars/, such as /123456/desktop/sale/cars/nissan or /123456/desktop/sale/cars/bmw.
This is useful for publishers with deep inventory hierarchies where you want a single mapping to cover an entire sub-tree of placements. GPID values without * continue to require an exact match.
If you have a use case for a mapping which isn't yet supported, please reach out to [email protected]
Bulk Upload
If you're setting up a large number of placements, you can use the Bulk Upload feature to download your existing mapping and make any changes in bulk in a spreadsheet. Once completed, you can upload the spreadsheet into the same place. From the Placements page, click "Bulk Upload" for instructions on how to do this.

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