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Replace CriteoRtus module doc with CriteoId module (#1575)
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Criteo Rtus User module is no longer maintained and
it is replaced with the new Criteo ID module.
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@Swiiip @bretg
Swiiip authored and bretg committed Nov 6, 2019
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52 changes: 21 additions & 31 deletions dev-docs/modules/userId.md
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The User ID module supports multiple ways of establishing pseudonymous IDs for users, which is an important way of increasing the value of header bidding. Instead of having several exchanges sync IDs with dozens of demand sources, a publisher can choose to integrate with one of these ID schemes:

* **Criteo RTUS ID** – fetches a user id by reaching out to Criteo rtus endpoint for each bidder configured. The result is stored in the user's browser for 1 hour and is passed to bidder adapters to pass it through to SSPs and DSPs that support the ID scheme.
* **Criteo ID for Exchanges** – specific id for Criteo and its partners that enables optimal take rate on all web browsers.
* **DigiTrust ID** – an anonymous cryptographic ID generated in the user’s browser on a digitru.st subdomain and shared across member publisher sites.
* **ID5 Universal ID** - a neutral identifier for digital advertising that can be used by publishers, brands and ad tech platforms (SSPs, DSPs, DMPs, Data Providers, etc.) to eliminate the need for cookie matching.
* **Identity Link** – provided by LiveRamp, this module calls out to the ATS (Authenticated Traffic Solution) library or a URL to obtain the user’s IdentityLink envelope.
* **LiveIntent ID** – fetches a user ID based on identifiers that are present on the page. It calls the LiveIntent Identity Exchange endpoint which resolves the inbound identifiers to a stable ID.
* **Parrable ID** - an encrypted pseudonymous ID that is consistent across all browsers and webviews on a device for every publisher the device visits. This module contacts Parrable to obtain the Parrable EID belonging to the specific device which can then be used by the bidder.
* **Parrable ID** - an encrypted pseudonymous ID that is consistent across all browsers and webviews on a device for every publisher the device visits. This module contacts Parrable to obtain the Parrable EID belonging to the specific device which can then be used by the bidder.
* **PubCommon ID** – an ID is generated on the user’s browser and stored for later use on this publisher’s domain.
* **Unified ID** – a simple cross-vendor approach – it calls out to a URL that responds with that user’s ID in one or more ID spaces (e.g. adsrvr.org).

Expand Down Expand Up @@ -63,7 +63,7 @@ of sub-objects. The table below has the options that are common across ID system
{: .table .table-bordered .table-striped }
| Param under userSync.userIds[] | Scope | Type | Description | Example |
| --- | --- | --- | --- | --- |
| name | Required | String | May be: `"criteortus"`, `"digitrust"`, `"id5id"`, `identityLink`, `"liveIntentId"`, `"parrableId"`, `"pubCommonId"`, or `"unifiedId"` | `"unifiedId"` |
| name | Required | String | May be: `"criteo"`, `"digitrust"`, `"id5id"`, `identityLink`, `"liveIntentId"`, `"parrableId"`, `"pubCommonId"`, or `"unifiedId"` | `"unifiedId"` |
| params | Based on User ID sub-module | Object | | |
| storage | Optional | Object | The publisher can specify some kind of local storage in which to store the results of the call to get the user ID. This can be either cookie or HTML5 storage. This is not needed when `value` is specified or the ID system is managing its own storage | |
| storage.type | Required | String | Must be either `"cookie"` or `"html5"`. This is where the results of the user ID will be stored. | `"cookie"` |
Expand All @@ -74,44 +74,34 @@ of sub-objects. The table below has the options that are common across ID system

## User ID Sub-Modules

### Criteo RTUS
### Criteo ID for Exchanges

Criteo Real Time User Sync (RTUS) is designed for use as an alternative for platforms that cannot drop their cookies due to Safari 3rd party restriction.
Criteo is the leading advertising platform for the Open Internet. The Criteo ID for Exchanges module enables publishers to access Criteo’s unique demand - more than 20.000 advertisers & brands - to monetize their exchange inventory with an optimal take rate across all browsing environments.
Note that direct access to that demand is also available through [Criteo Direct Bidder](https://www.criteo.com/products/criteo-direct-bidder/), in which case this module is unnecessary.

Add it to your Prebid.js package with:

{: .alert.alert-info :}
gulp build --modules=userId,criteortusIdSystem
gulp build --modules=userId,criteoIdSystem

#### Criteo RTUS Registration
#### Criteo ID Configuration

In order to use a Criteo rtus id a bidder must reach out to Criteo and get their unique client identifier.
The Criteo ID module does not require any configuration parameters. It should work as-is provided that bidders use it in their adapters.
When calling Criteo RTB, partners should forward this id in the field `user.ext.prebid_criteoid`.

#### Criteo RTUS Configuration

{: .table .table-bordered .table-striped }
| Param under userSync.userIds[] | Scope | Type | Description | Example |
|--------------------------------|----------|--------|---------------------------------------------------------------------|----------------------|
| params | Required | Object | Details of Criteo ID | |
| params.clientIdentifier | Required | Object | Object containing bidder code as key and client identifier as value | `{ "appnexus": 30 }` |
List of the working bidders:
- AppNexus

{: .alert.alert-info :}
NOTE: Criteo user id's max age is 1 hour. Criteo rtus module makes a request to criteo endpoint every hour to fetch new user id. Do not use `params.storage` when adding configuration for criteortus. If you are using multiple id systems then you can use storage (if that id system supports it). Read more about the `storage` property under [Basic Configuration](#basic-configuration).
NOTE: For optimal performance, the Criteo Id module should be called at every opportunity. It embeds its own optimal caching mechanism. It's best not to use `params.storage` with this module as it may only lower the performances. If you are using multiple id systems, however, you may use it for the other id systems that supports it.

#### Criteo RTUS Example

This example assumes the publisher is working with AppNexus as one of the demand partners and AppNexus has partnered with Criteo.
#### Criteo ID Example

{% highlight javascript %}
pbjs.setConfig({
userSync: {
userIds: [{
name: "criteortus",
params: {
clientIdentifier: {
"appnexus": 30
}
}
name: "criteo",
}]
}
});
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#### IdentityLink Registration

Please reach out to [prebid@liveramp.com](mailto:prebid@liveramp.com) and request your `placementId`.
Please reach out to [prebid@liveramp.com](mailto:prebid@liveramp.com) and request your `placementId`.

#### IdentityLink Configuration

Expand All @@ -295,7 +285,7 @@ pbjs.setConfig({
pid: '999' // Set your real identityLink placement ID here
},
storage: {
type: "cookie",
type: "cookie",
name: "idl_env", // create a cookie with this name
expires: 30 // cookie can last for 30 days
}
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name: "liveIntentId",
params: {
publisherId: "9896876",
identifiersToResolve: ["my-own-cookie"]
identifiersToResolve: ["my-own-cookie"]
}
}]
}
Expand All @@ -395,7 +385,7 @@ pbjs.setConfig({

### Parrable ID

The Parrable ID is a Full Device Identifier that can be used to identify a device across different browsers and webviews on a single device including browsers that have third party cookie restrictions.
The Parrable ID is a Full Device Identifier that can be used to identify a device across different browsers and webviews on a single device including browsers that have third party cookie restrictions.

Add it to your Prebid.js package with:

Expand All @@ -418,7 +408,7 @@ In addition to the parameters documented above in the Basic Configuration sectio

{: .alert.alert-info :}
NOTE: The Parrable ID that is delivered to Prebid is encrypted by Parrable with a time-based key and updated frequently in the browser to enforce consumer privacy requirements and thus will be different on every page view, even for the same user.

We recommend setting `storage.expires` to no more than`364` days, which is the default cookie expiration that Parrable uses in the standalone Parrable integration.

#### Parrable ID Examples
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{: .table .table-bordered .table-striped }
| ID System Name | ID System Host | Prebid.js Attr | Example Value |
| --- | --- | --- | --- | --- | --- |
| CriteoRTUS | Criteo | bidRequest.userId.criteortus | `"1111"` |
| CriteoID | Criteo | bidRequest.userId.criteoId | `"1111"` |
| DigiTrust | IAB | bidRequest.userId.digitrustid | `{data: {id: "DTID", keyv: 4, privacy: {optout: false}, producer: "ABC", version: 2}` |
| ID5 ID | ID5 | bidRequest.userId.id5id | `"1111"` |
| IdentityLink | Trade Desk | bidRequest.userId.idl_env | `"1111"` |
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