class HeaderModel{ String doctorName; String doctorImageURL; List speciality; String invoiceNo; String projectName; DateTime orderDate; String nationalityFlagURL; int doctorRate; int actualDoctorRate; String email; HeaderModel(this.doctorName, this.doctorImageURL, this.speciality, this.invoiceNo, this.projectName, this.orderDate, this.nationalityFlagURL, this.doctorRate, this.actualDoctorRate, this.email); }