diff --git a/apps/capability_sample/caps_tvocHealthConcern.c b/apps/capability_sample/caps_tvocHealthConcern.c
new file mode 100644
index 00000000..eef43b72
--- /dev/null
+++ b/apps/capability_sample/caps_tvocHealthConcern.c
@@ -0,0 +1,122 @@
+/* ***************************************************************************
+ *
+ * Copyright 2019-2020 Samsung Electronics All Rights Reserved.
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "st_dev.h"
+#include "caps_tvocHealthConcern.h"
+
+static int caps_tvocHealthConcern_attr_tvocHealthConcern_str2idx(const char *value)
+{
+    int index;
+
+    for (index = 0; index < CAP_ENUM_MOTIONSENSOR_MOTION_VALUE_MAX; index++) {
+        if (!strcmp(value, caps_helper_tvocHealthConcern.attr_tvocHealthConcern.values[index])) {
+            return index;
+        }
+    }
+    return -1;
+}
+
+static const char *caps_tvocHealthConcern_get_tvocHealthConcern_value(caps_tvocHealthConcern_data_t *caps_data)
+{
+    if (!caps_data) {
+        printf("caps_data is NULL\n");
+        return NULL;
+    }
+    return caps_data->tvocHealthConcern_value;
+}
+
+static void caps_tvocHealthConcern_set_tvocHealthConcern_value(caps_tvocHealthConcern_data_t *caps_data, const char *value)
+{
+    if (!caps_data) {
+        printf("caps_data is NULL\n");
+        return;
+    }
+    if (caps_data->tvocHealthConcern_value) {
+        free(caps_data->tvocHealthConcern_value);
+    }
+    caps_data->tvocHealthConcern_value = strdup(value);
+}
+
+static void caps_tvocHealthConcern_attr_tvocHealthConcern_send(caps_tvocHealthConcern_data_t *caps_data)
+{
+    int sequence_no = -1;
+
+    if (!caps_data || !caps_data->handle) {
+        printf("fail to get handle\n");
+        return;
+    }
+    if (!caps_data->tvocHealthConcern_value) {
+        printf("value is NULL\n");
+        return;
+    }
+
+    ST_CAP_SEND_ATTR_STRING(caps_data->handle,
+            (char *)caps_helper_tvocHealthConcern.attr_tvocHealthConcern.name,
+            caps_data->tvocHealthConcern_value,
+            NULL,
+            NULL,
+            sequence_no);
+
+    if (sequence_no < 0)
+        printf("fail to send tvocHealthConcern value\n");
+    else
+        printf("Sequence number return : %d\n", sequence_no);
+
+}
+
+
+static void caps_tvocHealthConcern_init_cb(IOT_CAP_HANDLE *handle, void *usr_data)
+{
+    caps_tvocHealthConcern_data_t *caps_data = usr_data;
+    if (caps_data && caps_data->init_usr_cb)
+        caps_data->init_usr_cb(caps_data);
+    caps_tvocHealthConcern_attr_tvocHealthConcern_send(caps_data);
+}
+
+caps_tvocHealthConcern_data_t *caps_tvocHealthConcern_initialize(IOT_CTX *ctx, const char *component, void *init_usr_cb, void *usr_data)
+{
+    caps_tvocHealthConcern_data_t *caps_data = NULL;
+
+    caps_data = malloc(sizeof(caps_tvocHealthConcern_data_t));
+    if (!caps_data) {
+        printf("fail to malloc for caps_tvocHealthConcern_data\n");
+        return NULL;
+    }
+
+    memset(caps_data, 0, sizeof(caps_tvocHealthConcern_data_t));
+
+    caps_data->init_usr_cb = init_usr_cb;
+    caps_data->usr_data = usr_data;
+
+    caps_data->get_tvocHealthConcern_value = caps_tvocHealthConcern_get_tvocHealthConcern_value;
+    caps_data->set_tvocHealthConcern_value = caps_tvocHealthConcern_set_tvocHealthConcern_value;
+    caps_data->attr_tvocHealthConcern_str2idx = caps_tvocHealthConcern_attr_tvocHealthConcern_str2idx;
+    caps_data->attr_tvocHealthConcern_send = caps_tvocHealthConcern_attr_tvocHealthConcern_send;
+    if (ctx) {
+        caps_data->handle = st_cap_handle_init(ctx, component, caps_helper_tvocHealthConcern.id, caps_tvocHealthConcern_init_cb, caps_data);
+    }
+    if (!caps_data->handle) {
+        printf("fail to init tvocHealthConcern handle\n");
+    }
+
+    return caps_data;
+}
diff --git a/apps/capability_sample/caps_tvocHealthConcern.h b/apps/capability_sample/caps_tvocHealthConcern.h
new file mode 100644
index 00000000..613dadd9
--- /dev/null
+++ b/apps/capability_sample/caps_tvocHealthConcern.h
@@ -0,0 +1,44 @@
+/* ***************************************************************************
+ *
+ * Copyright 2019-2020 Samsung Electronics All Rights Reserved.
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#include "caps/iot_caps_helper_tvocHealthConcern.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct caps_tvocHealthConcern_data {
+    IOT_CAP_HANDLE* handle;
+    void *usr_data;
+    void *cmd_data;
+
+    char *tvocHealthConcern_value;
+
+    const char *(*get_tvocHealthConcern_value)(struct caps_tvocHealthConcern_data *caps_data);
+    void (*set_tvocHealthConcern_value)(struct caps_tvocHealthConcern_data *caps_data, const char *value);
+    int (*attr_tvocHealthConcern_str2idx)(const char *value);
+    void (*attr_tvocHealthConcern_send)(struct caps_tvocHealthConcern_data *caps_data);
+
+    void (*init_usr_cb)(struct caps_tvocHealthConcern_data *caps_data);
+} caps_tvocHealthConcern_data_t;
+
+caps_tvocHealthConcern_data_t* caps_tvocHealthConcern_initialize(IOT_CTX *ctx, const char *component, void *init_usr_cb, void *usr_data);
+#ifdef __cplusplus
+}
+#endif
+
diff --git a/iot-core b/iot-core
index 82d0c488..3ccd694f 160000
--- a/iot-core
+++ b/iot-core
@@ -1 +1 @@
-Subproject commit 82d0c488555af0da2b4057647639e33134a27c54
+Subproject commit 3ccd694f8d6f4c2e8317a7022f024dda731bf779