diff --git a/main_dc/yalarba/api_es/internal/models/base.go b/main_dc/yalarba/api_es/internal/models/base.go
index 1d6445e..cb22250 100644
--- a/main_dc/yalarba/api_es/internal/models/base.go
+++ b/main_dc/yalarba/api_es/internal/models/base.go
@@ -9,4 +9,6 @@ type Base struct {
 	ID        uint           `gorm:"primaryKey" json:"id"`
 	CreatedAt time.Time      `json:"created_at"`
 	UpdatedAt time.Time      `json:"updated_at"`
-	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
\ No newline at end of file
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+	UpdateHistories   []UpdateHistory   `gorm:"polymorphic:Model;polymorphicValue:base" json:"-"` // полностью скрываем
+}
diff --git a/main_dc/yalarba/api_es/internal/models/update_history.go b/main_dc/yalarba/api_es/internal/models/update_history.go
new file mode 100644
index 0000000..e70c1d7
--- /dev/null
+++ b/main_dc/yalarba/api_es/internal/models/update_history.go
@@ -0,0 +1,13 @@
+package models
+
+import (
+	"time"
+)
+
+type UpdateHistory struct {
+	ID        uint      `gorm:"primaryKey" json:"-"`
+	ModelID   uint      `json:"-"`
+	ModelType string    `json:"-"`
+	Timestamp time.Time `json:"-"`
+	UpdatedBy uint      `gorm:"index" json:"-"`
+}
\ No newline at end of file