diff --git a/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/ui/IntAppUiMessageHandler.java b/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/ui/IntAppUiMessageHandler.java
new file mode 100644
index 0000000..5a81c60
--- /dev/null
+++ b/apps/inbandtelemetry/app/src/main/java/org/onosproject/inbandtelemetry/app/ui/IntAppUiMessageHandler.java
@@ -0,0 +1,202 @@
+/*
+ * Copyright 2015-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.inbandtelemetry.app.ui;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.google.common.collect.ImmutableSet;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.Ip4Prefix;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.TpPort;
+import org.onosproject.inbandtelemetry.api.IntIntent;
+import org.onosproject.inbandtelemetry.api.IntIntentId;
+import org.onosproject.inbandtelemetry.api.IntService;
+import org.onosproject.inbandtelemetry.api.IntConfig;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.ui.RequestHandler;
+import org.onosproject.ui.UiMessageHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Collection;
+
+public class IntAppUiMessageHandler extends UiMessageHandler {
+
+    private static final String INT_INTENT_ADD_REQUEST = "intIntentAddRequest";
+    private static final String INT_INTENT_DEL_REQUEST = "intIntentDelRequest";
+    private static final String INT_CONFIG_ADD_REQUEST = "intConfigAddRequest";
+//    private static final String INT_CONFIG_DEL_REQUEST = "intConfigDelRequest";
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    private IntService intService;
+
+    @Override
+    protected Collection<RequestHandler> createRequestHandlers() {
+        return ImmutableSet.of(
+                new IntIntentAddRequestHandler(),
+                new IntIntentDelRequestHandler(),
+                new IntConfigAddRequestHandler()
+//                new intConfigDelRequestHandler()
+        );
+    }
+
+    private final class IntConfigAddRequestHandler extends RequestHandler {
+        private IntConfigAddRequestHandler() {
+            super(INT_CONFIG_ADD_REQUEST);
+        }
+
+        @Override
+        public void process(ObjectNode payload) {
+            log.info("intConfigAddRequest: {}", payload);
+
+            intService = get(IntService.class);
+            IntConfig.Builder builder = IntConfig.builder();
+
+            if (payload.get("collectorIp") != null) {
+                builder.withCollectorIp(IpAddress.valueOf(payload.get("collectorIp").asText()));
+            } else {
+                builder.withCollectorIp(IpAddress.valueOf("127.0.0.1"));
+            }
+
+            if (payload.get("collectorPort") != null) {
+                builder.withCollectorPort(TpPort.tpPort(
+                        payload.get("collectorPort").asInt()));
+            } else {
+                builder.withCollectorPort(TpPort.tpPort(1234));
+            }
+
+            builder.enabled(true)
+                    .withSinkIp(IpAddress.valueOf("10.192.19.180"))
+                    .withSinkMac(MacAddress.NONE)
+                    .withCollectorNextHopMac(MacAddress.BROADCAST);
+
+            intService.setConfig(builder.build());
+        }
+    }
+
+    private final class IntIntentDelRequestHandler extends RequestHandler {
+        private IntIntentDelRequestHandler() {
+            super(INT_INTENT_DEL_REQUEST);
+        }
+
+        @Override
+        public void process(ObjectNode payload) {
+            log.info("intIntentDelRequest: {}", payload);
+
+            intService = get(IntService.class);
+
+            if (payload.get("intentId") != null) {
+                intService.removeIntIntent(IntIntentId.valueOf(payload.get("intentId").asLong()));
+            }
+        }
+    }
+
+    private final class IntIntentAddRequestHandler extends RequestHandler {
+        private IntIntentAddRequestHandler() {
+            super(INT_INTENT_ADD_REQUEST);
+        }
+
+        @Override
+        public void process(ObjectNode payload) {
+            log.info("intIntentAddRequest: {}", payload);
+
+            intService = get(IntService.class);
+
+            TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder();
+            IntIntent.Builder builder = IntIntent.builder();
+
+            if (payload.get("ip4SrcPrefix") != null) {
+                sBuilder.matchIPSrc(parseIp4Prefix(payload.get("ip4SrcPrefix").asText()));
+            }
+
+            if (payload.get("ip4DstPrefix") != null) {
+                sBuilder.matchIPDst(parseIp4Prefix(payload.get("ip4DstPrefix").asText()));
+            }
+
+            if (payload.get("l4SrcPort") != null) {
+                if (payload.get("protocol") != null && payload.get("protocol").asText().equalsIgnoreCase("TCP")) {
+                    sBuilder.matchTcpSrc(TpPort.tpPort(payload.get("l4SrcPort").asInt()));
+                } else {
+                    sBuilder.matchUdpSrc(TpPort.tpPort(payload.get("l4SrcPort").asInt()));
+                }
+            }
+
+            if (payload.get("l4DstPort") != null) {
+                if (payload.get("protocol") != null && payload.get("protocol").asText().equalsIgnoreCase("TCP")) {
+                    sBuilder.matchTcpDst(TpPort.tpPort(payload.get("l4DstPort").asInt()));
+                } else {
+                    sBuilder.matchUdpDst(TpPort.tpPort(payload.get("l4DstPort").asInt()));
+                }
+            }
+
+            if (payload.get("metadata") != null) {
+                JsonNode meta = payload.get("metadata");
+                if (meta.isArray()) {
+                    for (final JsonNode json : meta) {
+                        switch (json.asText()) {
+                            case "SWITCH_ID":
+                                builder.withMetadataType(IntIntent.IntMetadataType.SWITCH_ID);
+                                break;
+                            case "PORT_ID":
+                                builder.withMetadataType(IntIntent.IntMetadataType.L1_PORT_ID);
+                                break;
+                            case "HOP_LATENCY":
+                                builder.withMetadataType(IntIntent.IntMetadataType.HOP_LATENCY);
+                                break;
+                            case "QUEUE_OCCUPANCY":
+                                builder.withMetadataType(IntIntent.IntMetadataType.QUEUE_OCCUPANCY);
+                                break;
+                            case "INGRESS_TIMESTAMP":
+                                builder.withMetadataType(IntIntent.IntMetadataType.INGRESS_TIMESTAMP);
+                                break;
+                            case "EGRESS_TIMESTAMP":
+                                builder.withMetadataType(IntIntent.IntMetadataType.EGRESS_TIMESTAMP);
+                                break;
+//                            case "QUEUE_CONGESTION":
+//                                builder.withMetadataType(IntIntent.IntMetadataType.QUEUE_CONGESTION);
+//                                break;
+                            case "EGRESS_TX_UTIL":
+                                builder.withMetadataType(IntIntent.IntMetadataType.EGRESS_TX_UTIL);
+                                break;
+                            default:
+                                break;
+                        }
+                    }
+                }
+            }
+
+            builder.withSelector(sBuilder.build())
+                    .withHeaderType(IntIntent.IntHeaderType.HOP_BY_HOP)
+                    .withReportType(IntIntent.IntReportType.TRACKED_FLOW)
+                    .withTelemetryMode(IntIntent.TelemetryMode.INBAND_TELEMETRY);
+            intService.installIntIntent(builder.build());
+        }
+
+        private Ip4Prefix parseIp4Prefix(String prefixString) {
+            if (prefixString == null) {
+                return null;
+            }
+            String[] splitString = prefixString.split("/");
+            Ip4Address ip4Address = Ip4Address.valueOf(splitString[0]);
+            int mask = splitString.length > 1 ? Integer.parseInt(splitString[1]) : 32;
+            return Ip4Prefix.valueOf(ip4Address, mask);
+        }
+    }
+}