toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = new Map<String, dynamic>();
data['first_name'] = this.firstName;
data['last_name'] = this.lastName;
data['company'] = this.company;
data['address_1'] = this.address1;
data['address_2'] = this.address2;
data['city'] = this.city;
data['state'] = this.state;
data['postcode'] = this.postcode;
data['country'] = this.country;
return data;
}