diff --git a/client/rest-high-level/src/main/java/org/opensearch/client/tasks/NodeData.java b/client/rest-high-level/src/main/java/org/opensearch/client/tasks/NodeData.java
index 9d752da1ef9f8..c45685094c60d 100644
--- a/client/rest-high-level/src/main/java/org/opensearch/client/tasks/NodeData.java
+++ b/client/rest-high-level/src/main/java/org/opensearch/client/tasks/NodeData.java
@@ -47,6 +47,7 @@ class NodeData {
     private String transportAddress;
     private String host;
     private String ip;
+    private String remark;
     private final List<String> roles = new ArrayList<>();
     private final Map<String, String> attributes = new HashMap<>();
     private final List<TaskInfo> tasks = new ArrayList<>();
@@ -82,7 +83,13 @@ void setRoles(List<String> roles) {
             this.roles.addAll(roles);
         }
     }
+    public String getRemark() {
+        return remark;
+    }
 
+    public void setRemark(String remark) {
+        this.remark = remark;
+    }
     public String getNodeId() {
         return nodeId;
     }
@@ -136,6 +143,9 @@ public String toString() {
             + ", host='"
             + host
             + '\''
+            + ", remark='"
+            + remark
+            + '\''
             + ", ip='"
             + ip
             + '\''
@@ -156,6 +166,7 @@ public boolean equals(Object o) {
             && Objects.equals(getTransportAddress(), nodeData.getTransportAddress())
             && Objects.equals(getHost(), nodeData.getHost())
             && Objects.equals(getIp(), nodeData.getIp())
+            && Objects.equals(getRemark(), nodeData.getRemark())
             && Objects.equals(getRoles(), nodeData.getRoles())
             && Objects.equals(getAttributes(), nodeData.getAttributes())
             && Objects.equals(getTasks(), nodeData.getTasks());
@@ -163,7 +174,7 @@ public boolean equals(Object o) {
 
     @Override
     public int hashCode() {
-        return Objects.hash(getNodeId(), getName(), getTransportAddress(), getHost(), getIp(), getRoles(), getAttributes(), getTasks());
+        return Objects.hash(getNodeId(), getName(),getRemark(), getTransportAddress(), getHost(), getIp(), getRoles(), getAttributes(), getTasks());
     }
 
     public static final ObjectParser.NamedObjectParser<NodeData, Void> PARSER;
@@ -173,6 +184,7 @@ public int hashCode() {
         parser.declareString(NodeData::setName, new ParseField("name"));
         parser.declareString(NodeData::setTransportAddress, new ParseField("transport_address"));
         parser.declareString(NodeData::setHost, new ParseField("host"));
+        parser.declareString(NodeData::setRemark, new ParseField("remark"));
         parser.declareString(NodeData::setIp, new ParseField("ip"));
         parser.declareStringArray(NodeData::setRoles, new ParseField("roles"));
         parser.declareField(NodeData::setAttributes, (p, c) -> p.mapStrings(), new ParseField("attributes"), ObjectParser.ValueType.OBJECT);
diff --git a/client/rest-high-level/src/main/java/org/opensearch/client/tasks/TaskInfo.java b/client/rest-high-level/src/main/java/org/opensearch/client/tasks/TaskInfo.java
index 51ac62830446f..9e359950dd40e 100644
--- a/client/rest-high-level/src/main/java/org/opensearch/client/tasks/TaskInfo.java
+++ b/client/rest-high-level/src/main/java/org/opensearch/client/tasks/TaskInfo.java
@@ -55,6 +55,7 @@ public class TaskInfo {
     private boolean cancellable;
     private boolean cancelled;
     private TaskId parentTaskId;
+    private String remark;
     private final Map<String, Object> status = new HashMap<>();
     private final Map<String, String> headers = new HashMap<>();
     private final Map<String, Object> resourceStats = new HashMap<>();
@@ -135,6 +136,14 @@ void setParentTaskId(String parentTaskId) {
         this.parentTaskId = new TaskId(parentTaskId);
     }
 
+    public String getRemark() {
+        return remark;
+    }
+
+    void setRemark(String remark) {
+        this.remark = remark;
+    }
+
     public Map<String, String> getHeaders() {
         return headers;
     }
@@ -170,6 +179,7 @@ private void noOpParse(Object s) {}
         // already provided in constructor: triggering a no-op
         parser.declareLong(TaskInfo::noOpParse, new ParseField("id"));
         parser.declareString(TaskInfo::setType, new ParseField("type"));
+        parser.declareString(TaskInfo::setRemark, new ParseField("remark"));
         parser.declareString(TaskInfo::setAction, new ParseField("action"));
         parser.declareObject(TaskInfo::setStatus, (p, c) -> p.map(), new ParseField("status"));
         parser.declareString(TaskInfo::setDescription, new ParseField("description"));
@@ -196,6 +206,7 @@ && isCancelled() == taskInfo.isCancelled()
             && Objects.equals(getType(), taskInfo.getType())
             && Objects.equals(getAction(), taskInfo.getAction())
             && Objects.equals(getDescription(), taskInfo.getDescription())
+            && Objects.equals(getRemark(), taskInfo.getRemark())
             && Objects.equals(getParentTaskId(), taskInfo.getParentTaskId())
             && Objects.equals(status, taskInfo.status)
             && Objects.equals(getHeaders(), taskInfo.getHeaders())
@@ -213,6 +224,7 @@ public int hashCode() {
             getRunningTimeNanos(),
             isCancellable(),
             isCancelled(),
+            getRemark(),
             getParentTaskId(),
             status,
             getHeaders(),
@@ -231,6 +243,8 @@ public String toString() {
             + ", action='"
             + action
             + '\''
+            + ", remark='"
+            + remark
             + ", description='"
             + description
             + '\''