diff --git a/client/promotion.go b/client/promotion.go
new file mode 100644
index 0000000..e6c73cb
--- /dev/null
+++ b/client/promotion.go
@@ -0,0 +1,37 @@
+package client
+
+import (
+	"encoding/json"
+	"errors"
+	"git.selly.red/Selly-Modules/natsio"
+	"git.selly.red/Selly-Modules/natsio/model"
+	"git.selly.red/Selly-Modules/natsio/subject"
+)
+
+type Promotion struct{}
+
+func GetPromotion() Promotion {
+	return Promotion{}
+}
+
+func (s Promotion) GenerateVoucherPromotion(p model.GenerateVoucherPromotionRequest) (*model.ResponseGenerateVoucherPromotion, error) {
+	msg, err := natsio.GetServer().Request(subject.Promotion.GenerateVoucherPromotion, toBytes(p))
+	if err != nil {
+		return nil, err
+	}
+
+	var r struct {
+		Data  *model.ResponseGenerateVoucherPromotion `json:"data"`
+		Error string                                  `json:"error"`
+	}
+
+	if err = json.Unmarshal(msg.Data, &r); err != nil {
+		return nil, err
+	}
+
+	if r.Error != "" {
+		return nil, errors.New(r.Error)
+	}
+
+	return r.Data, nil
+}
diff --git a/model/promotion_response.go b/model/promotion_response.go
new file mode 100644
index 0000000..dffadd1
--- /dev/null
+++ b/model/promotion_response.go
@@ -0,0 +1,20 @@
+package model
+
+import "go.mongodb.org/mongo-driver/bson/primitive"
+
+type GenerateVoucherPromotionRequest struct {
+	Cash       float64                         `json:"cash"`
+	TargetID   primitive.ObjectID              `json:"targetId"`
+	TargetType string                          `json:"targetType"`
+	Options    GenerateVoucherPromotionOptions `json:"options"`
+	Seller     primitive.ObjectID              `json:"seller"`
+}
+
+type GenerateVoucherPromotionOptions struct {
+	Title string `json:"title"`
+}
+
+type ResponseGenerateVoucherPromotion struct {
+	Success bool   `json:"success"`
+	Error   string `json:"error"`
+}