Added collect log code example

src/content/docs/ai-gateway/observability/logging.mdx

@@ -34,8 +34,25 @@ If you turn off logging and are using Logpush, this will prevent the response an
 
 To override the default logging behavior set in the settings tab, you can define headers on a per-request basis.
 
-## Collect logs (collect_logs)
+## Collect logs (cf-aig-collect-log)
 
-The `collect_logs` header allows you to bypass the default log setting for the gateway. If the gateway is configured to save logs, the header will exclude the user prompt and model response data for that specific request. Conversely, if logging is disabled at the gateway level, this header will save the user prompt and model response data for that request.
+The `cf-aig-collect-log` header allows you to bypass the default log setting for the gateway. If the gateway is configured to save logs, the header will exclude the user prompt and model response data for that specific request. Conversely, if logging is disabled at the gateway level, this header will save the user prompt and model response data for that request.
 
 In this example, the gateway is configured to save logs, however we do not want this specific request to save the user prompt and model response.
+
+```bash
+curl https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/openai/chat/completions \
+  --header 'Authorization: Bearer $TOKEN' \
+  --header 'Content-Type: application/json' \
+  --header 'cf-aig-collect-log: false \
+  --data ' {
+        "model": "gpt-4o-mini",
+        "messages": [
+          {
+            "role": "user",
+            "content": "What is the email address and phone number of user123?"
+          }
+        ]
+      }
+'
+```