adding interval to run every n months

main.tf

@@ -7,7 +7,7 @@ resource "azurerm_automation_schedule" "schedule" {
   resource_group_name     = var.resource_group_name
   automation_account_name = var.automation_account_name
   frequency               = var.frequency
-  #interval                = var.interval
+  interval                = var.interval
   start_time              = var.start_time
   expiry_time             = var.expiry_time
   timezone                = var.timezone

variables.tf

@@ -65,3 +65,9 @@ variable "parameters" {
   description = "(Optional) A map of key/value pairs corresponding to the arguments that can be passed to the Runbook. Changing this forces a new resource to be created."
   default = {}
 }
+
+variable "interval" {
+  type        = number
+  description = "(Optional) The number of frequencys between runs. Only valid when frequency is Day, Hour, Week, or Month and defaults to 1."
+  default = 1
+}