# setExtraData

@NonNull
open fun setExtraData(@NonNull extraData: Map<String, String>): ContactConfiguration.Builder

Set the custom data field. Call this API when you want to pass the extra data to the customer center web page parameter. The 'extraData' field is applied only when the customer center type is 'GAMEBASE'. It does not apply to 'CUSTOM', 'TOAST' type.

#### Since

Added 2.18.2.

#### Return

a builder itself.