diff --git a/vngcloud/sdk_error/isdk_error.go b/vngcloud/sdk_error/isdk_error.go
index c6ef74a..f6e9f62 100644
--- a/vngcloud/sdk_error/isdk_error.go
+++ b/vngcloud/sdk_error/isdk_error.go
@@ -13,6 +13,7 @@ type IError interface {
 	GetError() error
 	GetMessage() string
 	GetErrorCode() ErrorCode
+	GetStringErrorCode() string
 	GetParameters() map[string]interface{}
 	GetErrorMessages() string
 	GetListParameters() []interface{}
diff --git a/vngcloud/sdk_error/sdk_error.go b/vngcloud/sdk_error/sdk_error.go
index dd55f87..834666f 100644
--- a/vngcloud/sdk_error/sdk_error.go
+++ b/vngcloud/sdk_error/sdk_error.go
@@ -108,6 +108,10 @@ func (s *SdkError) GetErrorCode() ErrorCode {
 	return s.errorCode
 }
 
+func (s *SdkError) GetStringErrorCode() string {
+	return string(s.errorCode)
+}
+
 func (s *SdkError) GetParameters() map[string]interface{} {
 	return s.parameters
 }