Added the JSON file

Author: spelluru

articles/event-grid/mqtt-how-to-http-publish.md

@@ -64,7 +64,92 @@ In this sample command:
 
 ## Import to Bruno
 1. Open Bruno.
-1. Select **Import Collection**, and then select `EventGrid_HTTP_Publish_Postman_Collection.json`.
+1. Select **Import Collection**, and then select `EventGrid_HTTP_Publish_Postman_Collection.json`. Here's the content for the JSON file:
+
+    ```json
+    {
+      "info": {
+        "name": "Event Grid MQTT Broker - HTTP Publish",
+        "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
+      },
+      "item": [
+        {
+          "name": "HTTP Publish to MQTT Broker",
+          "request": {
+            "method": "POST",
+            "header": [
+              {
+                "key": "Authorization",
+                "value": "Bearer {{entra_token}}"
+              },
+              {
+                "key": "mqtt-qos",
+                "value": "1"
+              },
+              {
+                "key": "mqtt-retain",
+                "value": "0"
+              },
+              {
+                "key": "mqtt-response-topic",
+                "value": "devices%2FCXa-23112%2Freply"
+              },
+              {
+                "key": "mqtt-correlation-data",
+                "value": "PlXCscK2wrbCuy8="
+              },
+              {
+                "key": "mqtt-user-properties",
+                "value": "[{\"Urgency\":\"alert\"},{\"RequestId\":\"55f4a7ee-b0b4-4d7f-8eb5-2edba2ced5d7\"}]"
+              },
+              {
+                "key": "Content-Type",
+                "value": "text/plain;charset=UTF-8"
+              }
+            ],
+            "url": {
+              "raw": "https://{{namespace}}/mqtt/messages?topic={{topic}}&api-version=2025-02-15-preview",
+              "host": [
+                "{{namespace}}"
+              ],
+              "path": [
+                "mqtt",
+                "messages"
+              ],
+              "query": [
+                {
+                  "key": "topic",
+                  "value": "{{topic}}"
+                },
+                {
+                  "key": "api-version",
+                  "value": "2025-02-15-preview"
+                }
+              ]
+            },
+            "body": {
+              "mode": "raw",
+              "raw": "Please accept terms of licensing and agreement"
+            }
+          }
+        }
+      ],
+      "variable": [
+        {
+          "key": "namespace",
+          "value": "contoso.westus3-1.ts.eventgrid.azure.net"
+        },
+        {
+          "key": "topic",
+          "value": "devices/CXa-23112/prompt"
+        },
+        {
+          "key": "entra_token",
+          "value": "<ENTRA_TOKEN_HERE>"
+        }
+      ]
+    }
+    ```    
 1. Go to **Variables** tab:
    - Replace `{{namespace}}` with your namespace FQDN.
    - Replace `{{topic}}` with your MQTT topic.