diff --git a/modules/general/availability_set/main.tf b/modules/general/availability_set/main.tf
index 8f29c82..89c28bb 100644
--- a/modules/general/availability_set/main.tf
+++ b/modules/general/availability_set/main.tf
@@ -3,5 +3,18 @@ module "availability_set" {
   name       = var.name
   prefixes   = var.prefixes
   suffixes   = var.suffixes
+  separator  = "-"
   max_length = 80
+  nb_instances = var.nb_instances
 }
+
+data "null_data_source" "names" {
+  count = var.nb_instances
+  inputs = {
+    result = var.nb_instances > 1 ? regex("^[a-zA-Z0-9]{1}[a-zA-Z0-9-]*$", module.availability_set.results[count.index]) : regex("^[a-zA-Z0-9]{1}[a-zA-Z0-9-]*$", module.availability_set.result)
+  }
+}
+
+locals {
+  results = data.null_data_source.names.*.outputs.result
+}
\ No newline at end of file
diff --git a/modules/general/availability_set/outputs.tf b/modules/general/availability_set/outputs.tf
index aa2cf84..6800c68 100644
--- a/modules/general/availability_set/outputs.tf
+++ b/modules/general/availability_set/outputs.tf
@@ -1,4 +1,9 @@
 output "result" {
   description = "The generated availability set name."
-  value       = regex("^[a-zA-Z0-9_-]*$", module.availability_set.result)
+  value       = local.results[0]
+}
+
+output "results" {
+  description = "The generated availability set names."
+  value       = local.results
 }
\ No newline at end of file
diff --git a/modules/general/availability_set/variables.tf b/modules/general/availability_set/variables.tf
index 74b104d..10f2ee8 100644
--- a/modules/general/availability_set/variables.tf
+++ b/modules/general/availability_set/variables.tf
@@ -1,5 +1,5 @@
 variable "name" {
-  description = "Availability set name."
+  description = "availability set name."
   type        = string
 }
 
@@ -11,4 +11,9 @@ variable "prefixes" {
 variable "suffixes" {
   description = "List of suffixes to append at the end of the resource name."
   type        = list(string)
+  default     = []
+}
+
+variable "nb_instances" {
+  default = 1
 }
\ No newline at end of file
diff --git a/modules/general/availability_set/versions.tf b/modules/general/availability_set/versions.tf
index ac97c6a..d9b6f79 100644
--- a/modules/general/availability_set/versions.tf
+++ b/modules/general/availability_set/versions.tf
@@ -1,4 +1,3 @@
-
 terraform {
   required_version = ">= 0.12"
 }
diff --git a/templating/data.json b/templating/data.json
index f6967df..aaa377c 100644
--- a/templating/data.json
+++ b/templating/data.json
@@ -27,6 +27,15 @@
             "separator": "-",
             "regex": "^[a-zA-Z0-9]{1}[a-zA-Z0-9-]*$"
         },
+        {
+            "source": "../../../.",
+            "name": "availability_set",
+            "long_name": "availability set",
+            "category": "general",
+            "max_length": 80,
+            "separator": "-",
+            "regex": "^[a-zA-Z0-9]{1}[a-zA-Z0-9-]*$"
+        },
         {
             "source": "../../../.",
             "name": "vm_linux",