Reminder: v201611 will be sunset on November 30, 2017.

How To Guide

This page provides details on how to perform common tasks using the API.

Creating Users

The UserService allows a user with Administrator rights to create a user directly in their network. Any developer can do this without having the new user sign up first. For example, if you are trying out the API for the first time, instead of performing every API call as an Administrator (the default for your email address), you may want to create a few users with roles such as Salesperson, Trafficker, or Advertiser to test real-world workflows.

  1. Create some new gmail addresses such as my.name.dfp.salesperson@gmail.com. Alternatively, register an existing non-gmail address as a new Google account.
  2. Call createUsers with that new address and the chosen Role.
  3. You can authenticate as that new user, using OAuth 2.0 to generate your access token.

Getting the Root AdUnit

Both the topmost AdUnit to which you can add child nodes and the permitted depth of your hierarchy depend on your account type (Small Business or Premium). The topmost AdUnit that supports modifying its child nodes is called the effective root AdUnit.

To retrieve the effective root, call NetworkService.getCurrentNetwork(), and examine the effectiveRootAdUnitId field on the returned Network object.

Note: Different account types support different hierarchy patterns.

Querying for an Object

You search for objects by search criteria using the getObjectsByStatement() method exposed by many services, where Object is a specific object type. This method takes a PQL query, which is similar to a SQL query in that it lets you specify fields to search on (where field names map to properties on the object), sort, limit, and offset your search results. See the PQL Guide to learn more about PQL, and also to learn which object fields you can filter by.

Creating an Order

To create an order, simply create an Order object and set the advertiser, salesperson, and trafficker IDs to the appropriate users, assign a unique name, and call createOrders(). The result will include the newly created Order, or an error.

Example

See example Java code for creating an order.

Creating a Line Item

Here are the steps for creating a new line item:

  1. Create a new Order object or use an existing one.
  2. Create a new LineItem object, and set the rotation type, creative size array, start and end dates, and other properties.
  3. Create a new InventoryTargeting object, and specify which Placement or AdUnit objects to target or exclude.
  4. Wrap your InventoryTargeting object inside a new Targeting object, and assign it to your LineItem's targeting property.
  5. Call the lineitem service method createLineItems() with your new object, and examine the result to see whether your object was created.

Example

See example Java code for creating a line item.

Creating a Creative

Different types of creatives support different components: for example, an image creative supports a single source file for the image; a flash creative supports two underlying asset files: a flash file and a backup image file, in case the flash file cannot be served. For creatives hosted on third-party sites, you will upload only an HTML snippet that references the file on the third-party server. See your specific Creative subclass to learn what assets you'll have to upload in order to create your creative.

Example

See example Java code for creating an image creative.

Modifying an Existing Object

To modify an existing object, query for your object by calling getObjectsByStatement(), update the values in the returned objects, and then call updateObjects().

Note: Updated objects will completely replace existing objects, so if you neglect to set a property value in the object that you send, the saved object will get the default value for that property, not the previous value.

Changing Object Status

Object status is changed by calling the performObjectAction() method exposed by your service. This method takes two parameters:

  • An instance of the action object that describes what you want done. For instance, the order service exposes several actions including ApproveOrders, PauseOrders, and ArchiveOrders. Action objects all derive from a base action class appropriate for your service.
  • A PQL query describing which objects to change. You can change the status of one or more objects at a time by specifying an appropriate PQL statement.

Generating Ad Tags

You cannot generate ad tags using the API; instead you must use the DFP website. See the Tagging Help Center section for more information.

More Examples

You can find many more examples in our client library sample code, in several different programming languages. See the Client Libraries & Example Code page for a link to examples in your programming language.

 

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