diff --git a/client.go b/client.go
index c31c1b6..b9d8a10 100644
--- a/client.go
+++ b/client.go
@@ -2213,10 +2213,12 @@ func (c *Client) GetFavorites(site, customer string, filter FavoritesFilter) (Fa
 //	var client = retailcrm.New("https://demo.url", "09jIJ")
 //
 //	data, status, err := client.AddFavorite("site_id", "customer_external_id", retailcrm.FavoritesFilter{SiteBy: "id", By: "externalId"},
-//		retailcrm.AddFavoriteRequest{
-//			ID: 1,
-//			ExternalID: "ext_id",
-//			XMLID: "xml_id",
+//		retailcrm.ChangeFavoritesRequest{
+//			Offer: retailcrm.SerializedRelationOffer{
+//			    ID: 1,
+//			    ExternalID: "ext_id",
+//			    XMLID: "xml_id",
+//			},
 //		},
 //	)
 //
@@ -2227,7 +2229,7 @@ func (c *Client) GetFavorites(site, customer string, filter FavoritesFilter) (Fa
 //
 //		log.Fatalf("http status: %d, error: %s", status, err)
 //	}
-func (c *Client) AddFavorite(site, customer string, filter FavoritesFilter, req AddFavoriteRequest) (
+func (c *Client) AddFavorite(site, customer string, filter FavoritesFilter, req ChangeFavoritesRequest) (
 	SuccessfulResponse, int, error,
 ) {
 	var resp SuccessfulResponse
@@ -2265,10 +2267,12 @@ func (c *Client) AddFavorite(site, customer string, filter FavoritesFilter, req
 //	var client = retailcrm.New("https://demo.url", "09jIJ")
 //
 //	data, status, err := client.RemoveFavorite("site_id", "customer_external_id", retailcrm.FavoritesFilter{SiteBy: "id", By: "externalId"},
-//		retailcrm.AddFavoriteRequest{
-//			ID: 1,
-//			ExternalID: "ext_id",
-//			XMLID: "xml_id",
+//		retailcrm.ChangeFavoritesRequest{
+//			Offer: retailcrm.SerializedRelationOffer{
+//			    ID: 1,
+//			    ExternalID: "ext_id",
+//			    XMLID: "xml_id",
+//			},
 //		},
 //	)
 //
@@ -2279,7 +2283,7 @@ func (c *Client) AddFavorite(site, customer string, filter FavoritesFilter, req
 //
 //		log.Fatalf("http status: %d, error: %s", status, err)
 //	}
-func (c *Client) RemoveFavorite(site, customer string, filter FavoritesFilter, req AddFavoriteRequest) (
+func (c *Client) RemoveFavorite(site, customer string, filter FavoritesFilter, req ChangeFavoritesRequest) (
 	SuccessfulResponse, int, error,
 ) {
 	var resp SuccessfulResponse
diff --git a/client_test.go b/client_test.go
index 1132dbd..5c88cee 100644
--- a/client_test.go
+++ b/client_test.go
@@ -2194,10 +2194,12 @@ func TestClient_AddFavorite(t *testing.T) {
 	site := "site_id"
 	customer := "customer_id"
 	filter := FavoritesFilter{SiteBy: "id"}
-	request := AddFavoriteRequest{
-		ID:         1,
-		ExternalID: "ext_id",
-		XMLID:      "xml_id",
+	request := ChangeFavoritesRequest{
+		Offer: SerializedRelationOffer{
+			ID:         1,
+			ExternalID: "ext_id",
+			XMLID:      "xml_id",
+		},
 	}
 
 	defer gock.Off()
@@ -2212,12 +2214,12 @@ func TestClient_AddFavorite(t *testing.T) {
 			require.NoError(t, err)
 
 			data := val.Get("favorite")
-			var incoming AddFavoriteRequest
+			var incoming ChangeFavoritesRequest
 			require.NoError(t, json.Unmarshal([]byte(data), &incoming))
 
-			equal := assert.Equal(t, 1, incoming.ID) &&
-				assert.Equal(t, "ext_id", incoming.ExternalID) &&
-				assert.Equal(t, "xml_id", incoming.XMLID)
+			equal := assert.Equal(t, 1, incoming.Offer.ID) &&
+				assert.Equal(t, "ext_id", incoming.Offer.ExternalID) &&
+				assert.Equal(t, "xml_id", incoming.Offer.XMLID)
 
 			if !equal {
 				return false, errors.New("unequal values")
@@ -2249,10 +2251,12 @@ func TestClient_RemoveFavorite(t *testing.T) {
 	site := "site_id"
 	customer := "customer_id"
 	filter := FavoritesFilter{SiteBy: "id"}
-	request := AddFavoriteRequest{
-		ID:         1,
-		ExternalID: "ext_id",
-		XMLID:      "xml_id",
+	request := ChangeFavoritesRequest{
+		Offer: SerializedRelationOffer{
+			ID:         1,
+			ExternalID: "ext_id",
+			XMLID:      "xml_id",
+		},
 	}
 
 	defer gock.Off()
@@ -2267,12 +2271,12 @@ func TestClient_RemoveFavorite(t *testing.T) {
 			require.NoError(t, err)
 
 			data := val.Get("favorite")
-			var incoming AddFavoriteRequest
+			var incoming ChangeFavoritesRequest
 			require.NoError(t, json.Unmarshal([]byte(data), &incoming))
 
-			equal := assert.Equal(t, 1, incoming.ID) &&
-				assert.Equal(t, "ext_id", incoming.ExternalID) &&
-				assert.Equal(t, "xml_id", incoming.XMLID)
+			equal := assert.Equal(t, 1, incoming.Offer.ID) &&
+				assert.Equal(t, "ext_id", incoming.Offer.ExternalID) &&
+				assert.Equal(t, "xml_id", incoming.Offer.XMLID)
 
 			if !equal {
 				return false, errors.New("unequal values")
diff --git a/request.go b/request.go
index 88b8582..ee04741 100644
--- a/request.go
+++ b/request.go
@@ -210,10 +210,8 @@ type SetCartRequest struct {
 	Items      []SetCartItem `json:"items,omitempty"`
 }
 
-type AddFavoriteRequest struct {
-	ID         int    `json:"id,omitempty"`
-	ExternalID string `json:"externalId,omitempty"`
-	XMLID      string `json:"xmlId,omitempty"`
+type ChangeFavoritesRequest struct {
+	Offer SerializedRelationOffer `json:"offer"`
 }
 
 // CostsRequest type.
diff --git a/types.go b/types.go
index ee1f96c..70a6194 100644
--- a/types.go
+++ b/types.go
@@ -1710,3 +1710,9 @@ type MGChannelTemplate struct {
 	MGChannelID         int              `json:"mgChannelId"`
 	Active              bool             `json:"active"`
 }
+
+type SerializedRelationOffer struct {
+	ID         int    `json:"id,omitempty"`
+	ExternalID string `json:"externalId,omitempty"`
+	XMLID      string `json:"xmlId,omitempty"`
+}