diff --git a/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/openconfig/OpenConfigConfigOfAssignmentHandler.java b/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/openconfig/OpenConfigConfigOfAssignmentHandler.java
new file mode 100755
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--- /dev/null
+++ b/apps/odtn/api/src/main/java/org/onosproject/odtn/utils/openconfig/OpenConfigConfigOfAssignmentHandler.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2018-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.odtn.utils.openconfig;
+
+import org.onosproject.yang.gen.v1.openconfigterminaldevice.rev20161222.openconfigterminaldevice.terminallogicalchanassignmentconfig.AssignmentTypeEnum;
+import org.onosproject.yang.gen.v1.openconfigterminaldevice.rev20161222.openconfigterminaldevice.terminallogicalchanassignmenttop.logicalchannelassignments.assignment.DefaultConfig;
+
+import java.math.BigDecimal;
+
+/**
+ * Utility class to deal with OPENCONFIG Assignment/Config ModelObject & Annotation.
+ */
+public final class OpenConfigConfigOfAssignmentHandler
+        extends OpenConfigObjectHandler<DefaultConfig> {
+
+    private static final String OPENCONFIG_NAME = "config";
+    private static final String NAME_SPACE = "http://openconfig.net/yang/terminal-device";
+
+    /**
+     * OpenConfigConfigOfAssignmentHandler Constructor.
+     *
+     * @param parent OpenConfigAssignmentHandler of parent OPENCONFIG(assignment)
+     */
+    public OpenConfigConfigOfAssignmentHandler(OpenConfigAssignmentHandler parent) {
+        modelObject = new DefaultConfig();
+        setResourceId(OPENCONFIG_NAME, NAME_SPACE, null, parent.getResourceIdBuilder());
+        annotatedNodeInfos = parent.getAnnotatedNodeInfoList();
+
+        parent.addConfig(this);
+    }
+
+    /**
+     * Add child OPENCONFIG(assignment-type).
+     *
+     * @param assignmentType AssignmentTypeEnum to be set for modelObject
+     * @return OpenConfigConfigOfAssignmentHandler of target OPENCONFIG
+     */
+    public OpenConfigConfigOfAssignmentHandler addAssignmentType(
+                                               AssignmentTypeEnum assignmentType) {
+        modelObject.assignmentType(assignmentType);
+        return this;
+    }
+
+    /**
+     * Add child OPENCONFIG(logical-channel).
+     *
+     * @param logicalChannel String to be set for modelObject
+     * @return OpenConfigConfigOfAssignmentHandler of target OPENCONFIG
+     */
+    public OpenConfigConfigOfAssignmentHandler addLogicalChannel(String logicalChannel) {
+        modelObject.logicalChannel(logicalChannel);
+        return this;
+    }
+
+    /**
+     * Add child OPENCONFIG(allocation).
+     *
+     * @param allocation BigDecimal to be set for modelObject
+     * @return OpenConfigConfigOfAssignmentHandler of target OPENCONFIG
+     */
+    public OpenConfigConfigOfAssignmentHandler addAllocation(BigDecimal allocation) {
+        modelObject.allocation(allocation);
+        return this;
+    }
+}