FeatureMap

FeatureMap represents extra features that customers want to include in the recommendation model for catalogs/user events as categorical/numerical features.

JSON representation 
{
  "categoricalFeatures": {
    string: {
      object (StringList)
    },
    ...
  },
  "numericalFeatures": {
    string: {
      object (FloatList)
    },
    ...
  }
}
Fields
categoricalFeatures

map (key: string, value: object (StringList))

Categorical features that can take on one of a limited number of possible values. Some examples would be the brand/maker of a product, or country of a customer.

Feature names and values must be UTF-8 encoded strings.

For example: { "colors": {"value": ["yellow", "green"]}, "sizes": {"value":["S", "M"]}
numericalFeatures

map (key: string, value: object (FloatList))

Numerical features. Some examples would be the height/weight of a product, or age of a customer.

Feature names must be UTF-8 encoded strings.

For example: { "lengths_cm": {"value":[2.3, 15.4]}, "heights_cm": {"value":[8.1, 6.4]} }

StringList

A list of string features.

JSON representation 
{
  "value": [
    string
  ]
}
Fields
value[]

string

String feature value with a length limit of 128 bytes.

FloatList

A list of float features.

JSON representation 
{
  "value": [
    number
  ]
}
Fields
value[]

number

Float feature value.