diff --git a/common/variables.common.subnet_ids.tf b/common/variables.common.subnet_ids.tf
index ab8544e..00d3e26 100644
--- a/common/variables.common.subnet_ids.tf
+++ b/common/variables.common.subnet_ids.tf
@@ -5,6 +5,7 @@ variable "public_subnets_ids" {
     label             = string
     availability_zone = string
     id                = string
+    tags              = optional(map(string))
   }))
   default = []
 }
@@ -16,6 +17,11 @@ variable "private_subnets_ids" {
     label             = string
     availability_zone = string
     id                = string
+    tags              = optional(map(string))
   }))
   default = []
 }
+
+# enabled = optional(bool)
+# private = optional(bool)
+# offset = optional(number)