Add WRITE_XML_DECLARATION property for XML payloads in MI

en/docs/observe-and-manage/setting-up-cloud-native-observability-in-kubernetes.md

@@ -129,10 +129,11 @@ To expose metrics for Prometheus scraping, update your WSO2 Integrator: MI Helm
 
     ```yaml
     wso2:
-        config:
-            synapseHandlers:
-            - name: MetricHandler
-              class: org.wso2.micro.integrator.observability.metric.handler.MetricHandler
+  config:
+    synapseHandlers:
+      - name: MetricHandler
+        class: org.wso2.micro_integrator.observability.metric.handler.MetricHandler
+
     ``` 
 
     For details, refer to the [Configure Helm charts for WSO2 Integrator: MI]({{base_path}}/install-and-setup/setup/deployment/configuring-helm-charts/) guide.
@@ -143,9 +144,10 @@ To expose metrics for Prometheus scraping, update your WSO2 Integrator: MI Helm
 
     ```yaml
     wso2:
-        deployment:
-            envs:
-                JAVA_OPTS: "-DenablePrometheusApi=true"
+  deployment:
+    envs:
+      JAVA_OPTS: "-DenablePrometheusApi=true"
+
     ```
 
     This enables the `/metric-service/metrics` endpoint exposed by WSO2 Integrator: MI for Prometheus scraping.
@@ -156,11 +158,12 @@ To expose metrics for Prometheus scraping, update your WSO2 Integrator: MI Helm
 
     ```yaml
     wso2:
-        deployment:
-            annotations:
-                prometheus.io/wso2-path: "/metric-service/metrics"
-                prometheus.io/wso2-port: "9201"
-                prometheus.io/wso2-scrape: "true"
+  deployment:
+    annotations:
+      prometheus.io/wso2-path: "/metric-service/metrics"
+      prometheus.io/wso2-port: "9201"
+      prometheus.io/wso2-scrape: "true"
+
     ```
 
 ### Set up the Prometheus Agent
@@ -198,11 +201,7 @@ To deploy the Prometheus Agent in your Kubernetes cluster, you need to create a
       name: prometheus-agent
     rules:
       - apiGroups: [""]
-        resources:
-        - pods
-        - nodes
-        - services
-        - endpoints
+        resources: ["pods", "nodes", "services", "endpoints"]
         verbs: ["get", "list", "watch"]
     ---
     apiVersion: rbac.authorization.k8s.io/v1
@@ -238,10 +237,8 @@ To deploy the Prometheus Agent in your Kubernetes cluster, you need to create a
       prometheus.yml: |
         global:
           scrape_interval: 15s
-
         remote_write:
           - url: "http://host.docker.internal:9090/api/v1/write"
-
         scrape_configs:
           - job_name: 'kubernetes-pods-wso2-integration'
             kubernetes_sd_configs:
@@ -457,7 +454,7 @@ config:
     [PARSER]
         Name        mi_log
         Format      regex
-        Regex       ^\[(?<time>[^\]]+)\] \[\] : mi :\s+(?<level>\w+)\s+\{(?<class>[^\}]+)\} - (?<message>.*)
+        Regex       ^\[(?<time>[^\]]+)\] \[\] : mi :\s+(?<level>\w+)\s+\{(?<class>[^\}]+)\} - (<message>.*)
         Time_Key    time
         Time_Format %Y-%m-%d %H:%M:%S,%L
 

en/docs/observe-and-manage/setting-up-cloud-native-observability-on-a-vm.md

@@ -108,6 +108,14 @@ In a clustered deployment, you can view the list of WSO2 Integrator: MI instance
 
 To enable observability for the WSO2 Integrator: MI servers, add the following Synapse handler to the `deployment.toml` file (stored in the `<MI_HOME>/conf/` folder).
 
+### Step 1.5 - Enable XML Declaration in Payloads
+
+If you want your outgoing messages to include the XML declaration, add the following Axis2 property to your Synapse configuration:
+
+```xml
+<property name="WRITE_XML_DECLARATION" scope="axis2" value="true"/>
+
+
 ```toml
 [[synapse_handlers]]
 name="CustomObservabilityHandler"