diff --git a/neuralnetworks/1.3/IFencedExecutionCallback.hal b/neuralnetworks/1.3/IFencedExecutionCallback.hal
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+++ b/neuralnetworks/1.3/IFencedExecutionCallback.hal
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * 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 android.hardware.neuralnetworks@1.3;
+
+import @1.2::Timing;
+import ErrorStatus;
+
+/**
+ * IFencedExecutionCallback can be used to query the error status result
+ * and duration information from an IPreparedModel::executeFenced call.
+ */
+interface IFencedExecutionCallback {
+
+    /**
+     * The getExecutionInfo method is used by the clients to query error status
+     * result and duration information. The method must only be called after the actual
+     * evaluation has finished or resulted in an runtime error, as indicated by the status
+     * of the sync fence returned by the IPreparedModel::executeFenced call, otherwise
+     * GENERAL_FAILURE must be returned.
+     *
+     * @return status Error status returned from the asynchronously dispatched execution
+     *                must be:
+     *                - NONE if the asynchronous execution was successful
+     *                - DEVICE_UNAVAILABLE if driver is offline or busy
+     *                - GENERAL_FAILURE if the asynchronous task resulted in an
+     *                  unspecified error
+     * @return timing Duration of execution. Unless MeasureTiming::YES was passed when
+     *                launching the execution and status is NONE, all times must
+     *                be reported as UINT64_MAX. A driver may choose to report
+     *                any time as UINT64_MAX, indicating that particular measurement is
+     *                not available.
+     */
+    getExecutionInfo() generates (ErrorStatus status, Timing timing);
+};