diff --git a/main.tf b/main.tf
index 3ac6cbe..2e19eba 100644
--- a/main.tf
+++ b/main.tf
@@ -1,3 +1,7 @@
+locals {
+  name = var.name_postfix == null ? var.topic_name : format("%s-%s", var.topic_name, var.name_postfix)
+}
+
 resource "huaweicloud_smn_topic" "topic" {
   name = var.topic_name
 }
diff --git a/variables.tf b/variables.tf
index 9b40845..795f7cd 100644
--- a/variables.tf
+++ b/variables.tf
@@ -3,6 +3,13 @@ variable "topic_name" {
   type        = string
 }
 
+
+variable "name_postfix" {
+  description = "Name Postfix"
+  type        = string
+  default     = null
+}
+
 variable "emails" {
   description = "Specifies the subscriptions emails"
   type        = list(string)