QueryExpansionSpec

Specification to determine under which conditions query expansion should occur.

JSON representation 
{
  "condition": enum (Condition),
  "pinUnexpandedResults": boolean
}
Fields
condition

enum (Condition)

The condition under which query expansion should occur. Default to Condition.DISABLED.
pinUnexpandedResults

boolean

Whether to pin unexpanded results. If this field is set to true, unexpanded products are always at the top of the search results, followed by the expanded results.

Condition

Enum describing under which condition query expansion should occur.

Enums
CONDITION_UNSPECIFIED Unspecified query expansion condition. In this case, server behavior defaults to Condition.DISABLED.
DISABLED Disabled query expansion. Only the exact search query is used, even if SearchResponse.total_size is zero.
AUTO Automatic query expansion built by Google Retail Search.