data class User( @SerializedName("first_name")...

# android

[alouanemed]

data class User(
@SerializedName("first_name") @Expose var firstName: String = "",
@SerializedName("last_name") @Expose var lastName: String = "",
) {

val User.fullName:String
get() = "$firstName $lastName"

}

How can i access fullName ?