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Merge pull request #313527 from spelluru/egridupdtes0323
Event Grid Updates
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‎articles/event-grid/authenticate-with-namespaces-using-webhook-authentication.md‎

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@@ -184,7 +184,7 @@ Content-Type: application/json
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#### Denied response
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```json
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HTTP/1.1 400 Bad Request
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HTTP/1.1 200 Bad Request
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Content-Type: application/json
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{

‎articles/event-grid/includes/limits.md‎

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@@ -46,16 +46,16 @@ Throughput units define the ingress and egress event rate capacity in namespaces
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| Inbound MQTT publishing requests per session | 1,000 messages per second |
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| Inbound MQTT bandwidth per session | 1 MB per second |
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| Inbound in-flight MQTT messages* | 1,000 messages |
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| Inbound in-flight MQTT bandwidth* | 64 KB |
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| Inbound HTTP publishing requests per Event Grid namespace | 500 messages per second per TU |
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| Inbound HTTP bandwidth per Event Grid namespace | 512 KB per second per TU |
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| Inbound HTTP publishing requests per session | 500 messages per second |
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| Inbound HTTP bandwidth per session | 512 KB per second |
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| Inbound in-flight HTTP messages* | 500 messages |
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| Inbound MQTT/HTTP publishing requests per Event Grid namespace | 1,000 messages per second per TU |
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| Inbound MQTT/HTTP bandwidth per Event Grid namespace | 1 MB per second per TU |
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| Inbound MQTT/HTTP publishing requests per session | 1,000 messages per second |
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| Inbound MQTT/HTTP bandwidth per session | 1 MB per second |
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| Inbound in-flight MQTT/HTTP messages* | 1,000 messages |
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| Inbound in-flight MQTT/HTTP bandwidth* | 64 KB |
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| Maximum Retain message size** | 64 KB |
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| Maximum Retain message per TU | 10,000 messages or 640 MB (whichever is reached first) |
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| Total Retain storage per TU | 640 MB |
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| Retain message expiry (MQTT 3.1.1) | 365 days (default) |
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| Retain message expiry (MQTT 3.1.1) | 365 days (default). To configure a Retain Expiry less than 365 days, contact Microsoft at [[email protected]](mailto:[email protected]) |
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| Retain message expiry (MQTT 5.0) | Configurable by using the message expiry interval with a range of 0 to 31,536,000 seconds (365 days) |
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| Outbound MQTT publishing requests per Event Grid namespace | 1,000 messages per second per TU |
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| Outbound MQTT bandwidth per Event Grid namespace | 1 MB per second per TU |

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

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@@ -48,14 +48,14 @@ Save this token to use in the `Authorization: Bearer <TOKEN>` header.
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Here's an example curl command to simulate HTTP Publish:
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```http
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curl -X POST "https://contoso.westus3-1.ts.eventgrid.azure.net/mqtt/messages?topic=devices%2XXXX-0000%2Fprompt&api-version=2025-08-01-preview" \
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-H "Authorization: Bearer <ENTRA_TOKEN_HERE>" \
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-H "mqtt-qos: 1" \
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-H "mqtt-retain: 0" \
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-H "mqtt-response-topic: devices%2XXXX-00000%2Freply" \
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-H "mqtt-correlation-data: XXXXXXX" \
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-H "mqtt-user-properties: XXXXXXXXXXXX" \
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-H "Content-Type: text/plain;charset=UTF-8" \
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curl -X POST "https://contoso.westus3-1.ts.eventgrid.azure.net/mqtt/messages?topic=devices%2XXXX-0000%2Fprompt&api-version=2025-02-15-preview" \
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-H "Authorization: Bearer <ENTRA_TOKEN_HERE>" \
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-H "mqtt-qos: 1" \
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-H "mqtt-retain: 0" \
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-H "mqtt-response-topic: devices%2XXXX-00000%2Freply" \
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-H "mqtt-correlation-data: XXXXXXX" \
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-H "mqtt-user-properties: XXXXXXXXXXXX" \
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-H "Content-Type: text/plain;charset=UTF-8" \
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--data-raw "Please accept terms of licensing and agreement"
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```
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1. Select **Import Collection**, and then select `EventGrid_HTTP_Publish_Postman_Collection.json`. Here's the content for the JSON file:
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```json
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{
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"info": {
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"name": "Event Grid MQTT Broker - HTTP Publish",
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"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
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},
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"item": [
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{
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"name": "HTTP Publish to MQTT Broker",
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"request": {
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"method": "POST",
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"header": [
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{
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"key": "Authorization",
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"value": "Bearer {{entra_token}}"
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},
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{
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"key": "mqtt-qos",
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"value": "1"
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},
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{
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"key": "mqtt-retain",
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"value": "0"
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},
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{
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"key": "mqtt-response-topic",
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"value": "devices%2FCXa-23112%2Freply"
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},
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{
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"key": "mqtt-correlation-data",
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"value": "PlXCscK2wrbCuy8="
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},
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{
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"key": "mqtt-user-properties",
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"value": "[{\"Urgency\":\"alert\"},{\"RequestId\":\"55f4a7ee-b0b4-4d7f-8eb5-2edba2ced5d7\"}]"
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},
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{
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"key": "Content-Type",
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"value": "text/plain;charset=UTF-8"
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}
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{
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"info": {
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"name": "Event Grid MQTT Broker - HTTP Publish",
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"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
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},
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"item": [
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{
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"name": "HTTP Publish to MQTT Broker",
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"request": {
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"method": "POST",
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"header": [
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{
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"key": "Authorization",
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"value": "Bearer {{entra_token}}"
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},
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{
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"key": "mqtt-qos",
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"value": "1"
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},
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{
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"key": "mqtt-retain",
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"value": "0"
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},
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{
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"key": "mqtt-response-topic",
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"value": "devices%2FCXa-23112%2Freply"
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},
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{
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"key": "mqtt-correlation-data",
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"value": "PlXCscK2wrbCuy8="
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},
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{
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"key": "mqtt-user-properties",
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"value": "[{\"Urgency\":\"alert\"},{\"RequestId\":\"55f4a7ee-b0b4-4d7f-8eb5-2edba2ced5d7\"}]"
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},
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{
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"key": "Content-Type",
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"value": "text/plain;charset=UTF-8"
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}
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],
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"url": {
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"raw": "https://{{namespace}}/mqtt/messages?topic={{topic}}&api-version=2025-08-01-preview",
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"host": [
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"{{namespace}}"
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],
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"path": [
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"mqtt",
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"messages"
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],
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"query": [
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{
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"key": "topic",
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"value": "{{topic}}"
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},
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{
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"key": "api-version",
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"value": "2025-02-15-preview"
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}
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]
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},
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"body": {
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"mode": "raw",
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"raw": "Please accept terms of licensing and agreement"
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}
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}
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}
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],
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"variable": [
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{
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"key": "namespace",
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"value": "contoso.westus3-1.ts.eventgrid.azure.net"
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},
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{
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"key": "topic",
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"value": "devices/CXa-23112/prompt"
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},
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{
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"key": "entra_token",
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"value": "<ENTRA_TOKEN_HERE>"
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}
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]
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}
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"url": {
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"raw": "https://{{namespace}}/mqtt/messages?topic={{topic}}&api-version=2025-02-15-preview",
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"host": [
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"{{namespace}}"
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],
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"path": [
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"mqtt",
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"messages"
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],
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"query": [
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{
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"key": "topic",
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"value": "{{topic}}"
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},
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{
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"key": "api-version",
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"value": "2025-02-15-preview"
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}
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]
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},
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"body": {
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"mode": "raw",
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"raw": "Please accept terms of licensing and agreement"
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}
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}
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}
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],
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"variable": [
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{
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"key": "namespace",
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"value": "contoso.westus3-1.ts.eventgrid.azure.net"
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},
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{
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"key": "topic",
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"value": "devices/CXa-23112/prompt"
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},
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{
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"key": "entra_token",
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"value": "<ENTRA_TOKEN_HERE>"
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}
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]
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}
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```
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1. On the **Variables** tab:

‎articles/event-grid/overview.md‎

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| South India | Southeast Asia | Spain Central | Sweden Central |
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| Sweden South | Switzerland North | Switzerland West | UAE North |
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| UAE Central | UK South | UK West | West Europe |
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| West US 2 | West US 3 | West Central US |
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| West US 2 | West US 3 | West Central US | Belgium central |
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## Related content
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