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+---
+page_title: "User guide for deploying per-app AS3 declaration"
+description: |-
+  User guide for deploying per-app AS3 declaration using **bigip_as3** resource
+---
+
+# User Guide for deploying per-app AS3 declaration
+
+~>  **NOTE**  **bigip_as3**  resource supports **Per-Application** mode of AS3 deployment from provider version > `v1.22.1`, more information on **Per-Application** mode can be found [Per-App](https://clouddocs.f5.com/products/extensions/f5-appsvcs-extension/latest/userguide/per-app-declarations.html)
+
+~> **NOTE** For Supporting AS3 Per-App mode of deployment, AS3 version on **BIG-IP** should be > **v3.50**
+
+~> **NOTE** For Deploying AS3 JSON in Per-App mode, resource should provide with a attribute [tenant_name](#tenant_name) to be passed for deploying **application/applications** on specified tenant, else random tenant name will be generated.
+
+~> **NOTE** **PerApplication** needs to be turned `true` as a Prerequisite on the Big-IP (BIG-IP AS3 version >3.50) device. For details : <https://clouddocs.f5.com/products/extensions/f5-appsvcs-extension/latest/userguide/per-app-declarations.html>
+
+
+## Per-Application Deployment - Example Usage for json file with tenant name
+
+```hcl
+resource "bigip_as3" "as3-example1" {
+  as3_json   = file("perApplication_example.json")
+  tenant_name = "Test"
+}
+```
+
+
+Example AS3 declaration for the PerApp mode of deployment
+
+`perApplication_example.json` 
+
+```json
+{
+    "Application1": {
+        "class": "Application",
+        "service": {
+            "class": "Service_HTTP",
+            "virtualAddresses": [
+                "192.0.2.1"
+            ],
+            "pool": "pool"
+        },
+        "pool": {
+            "class": "Pool",
+            "members": [
+                {
+                    "servicePort": 80,
+                    "serverAddresses": [
+                        "192.0.2.10",
+                        "192.0.2.20"
+                    ]
+                }
+            ]
+        }
+    },  
+    "Application2": {
+        "class": "Application",
+        "service": {
+            "class": "Service_HTTP",
+            "virtualAddresses": [
+                "192.0.3.2"
+            ],
+            "pool": "pool"
+        },
+        "pool": {
+            "class": "Pool",
+            "members": [
+                {
+                    "servicePort": 80,
+                    "serverAddresses": [
+                        "192.0.3.30",
+                        "192.0.3.40"
+                    ]
+                }
+            ]
+        }
+    }
+}
+```
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