diff --git a/IaC-test/vars.tf b/IaC-test/vars.tf
index 1adf0a9..9ad9e27 100644
--- a/IaC-test/vars.tf
+++ b/IaC-test/vars.tf
@@ -3,6 +3,11 @@ variable "datacenter_name" {
   default = "dco"
 }
 
+variable "datacenters" {
+  type    = list(string)
+  default = [ "dco", "sto3", "sto4" ]
+}
+
 # Cloud names in clouds.yaml file
 variable "clouddco_name" {
   type = string