1. SearchParameter[]
   1. AdSpecListSearchParameter
   2. CategoryProductsAndServices...
   3. CompetitionSearchParameter
   4. ExcludedKeywordSearchParameter
   5. IdeaTextFilterSearchParameter
   6. IncludeAdultContentSearchPa...
   7. LanguageSearchParameter
   8. LocationSearchParameter
   9. NetworkSearchParameter
   10. PlacementTypeSearchParameter
   11. RelatedToQuerySearchParameter
   12. RelatedToUrlSearchParameter
   13. SearchVolumeSearchParameter
   14. SeedAdGroupIdSearchParameter

An empty set indicates this selector is valid for selecting metadata with default parameters. This field must not contain null elements. Elements in this field must have distinct types. This field is required and should not be null.

KEYWORD

Keyword idea.

PLACEMENT

Placement idea. This is enabled for AdX.

IDEAS

Request for new ideas based on other entries in selector. This RequestType can be used to request other ideas using keyword/placements that the user already has.

STATS

Request for stats for entries in selector. This RequestType can be used to request the stats for keywords/placements that the user already has.

An empty set indicates a request for KeywordAttribute, PlacementAttribute, and IdeaType. This field must contain distinct elements. This field must not contain null elements.

UNKNOWN

Value substituted in when the actual value is not available in the Web API version being used. (Please upgrade to the latest published WSDL.)

This element is not supported directly by any IdeaType.

AD_TYPE_SPEC

Represents the various types of ads, sizes of ads, and ad configurations that may be specified within the given placement idea.

Resulting attribute is AdTypeSpecAttribute.

This element is supported by following IdeaTypes: PLACEMENT.

APPROX_CONTENT_IMPRESSIONS_PER_DAY

Represents the (approximate) number of impressions per day for this placement idea on the content network. Resulting attribute is LongRangeAttribute.

This element is supported by following IdeaTypes: PLACEMENT.

CATEGORY_PRODUCTS_AND_SERVICES

Represents a category ID in the "Products and Services" taxonomy.

Resulting attribute is IntegerSetAttribute.

This element is supported by following IdeaTypes: KEYWORD.

COMPETITION

Represents the relative amount of competition associated with the given keyword idea, relative to other keywords. This value will be between 0 and 1 (inclusive).

Resulting attribute is DoubleAttribute.

This element is supported by following IdeaTypes: KEYWORD.

CRITERION

Represents a keyword or placement, depending on request type. Starting at version v201206, only placement requests can retrieve this attribute.

This element is supported by following IdeaTypes: KEYWORD, PLACEMENT.

EXTRACTED_FROM_WEBPAGE

Represents the webpage from which this keyword idea was extracted (if applicable.)

Resulting attribute is WebpageDescriptorAttribute.

This element is supported by following IdeaTypes: KEYWORD.

IDEA_TYPE

Represents the type of the given idea.

Resulting attribute is IdeaTypeAttribute.

This element is supported by following IdeaTypes: KEYWORD, PLACEMENT.

IN_STREAM_AD_INFO

Represents the duration(s)/other instream information, for the given placement idea. (if applicable)

Resulting attribute is InStreamAdInfoAttribute.

This element is supported by following IdeaTypes: PLACEMENT.

KEYWORD_TEXT

Represents the keyword text for the given keyword idea.

Resulting attribute is StringAttribute.

This element is supported by following IdeaTypes: KEYWORD.

PLACEMENT_NAME

Represents the publisher given name of the given placement idea (if applicable).

Resulting attribute is StringAttribute.

This element is supported by following IdeaTypes: PLACEMENT.

SAMPLE_URL

Represents a sample page upon which the given placement idea shows from the content network.

Resulting attribute is StringAttribute.

This element is supported by following IdeaTypes: PLACEMENT.

PLACEMENT_CATEGORY

Represents a category id for a category within the category hierarchy for placement ideas. Resulting attribute is IntegerAttribute.

This element is supported by following IdeaTypes: PLACEMENT.

PLACEMENT_TYPE

Represents the type of media of the given placement idea. Some examples of this could include: videos on the web, web sites, flash games on the content network, website feeds, etc.

Resulting attribute is PlacementTypeAttribute.

This element is supported by following IdeaTypes: PLACEMENT.

SEARCH_VOLUME

Represents either the (approximate) number of searches for the given keyword idea on google.com or google.com and partners, depending on the user's targeting.

Resulting attribute is LongAttribute.

This element is supported by following IdeaTypes: KEYWORD.

AVERAGE_CPC

Represents the average cost per click historically paid for the keyword.

Resulting attribute is MoneyAttribute.

This element is supported by following IdeaTypes: KEYWORD.

TARGETED_MONTHLY_SEARCHES

Represents the (approximated) number of searches on this keyword idea (as available for the past twelve months), targeted to the specified geographies.

Resulting attribute is MonthlySearchVolumeAttribute.

This element is supported by following IdeaTypes: KEYWORD.