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diff --git a/ricxappframe/e2ap/asn1clib/types.py b/ricxappframe/e2ap/asn1clib/types.py
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+++ b/ricxappframe/e2ap/asn1clib/types.py
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+# *******************************************************************************
+#  * Copyright 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.
+#  *
+#  *******************************************************************************
+from ctypes import POINTER, Structure
+from ctypes import c_long, c_size_t, c_int, c_uint8
+
+
+class indication_msg_t(Structure):
+    """
+    A class that mirrored E2AP's RICIndicationMessage with python
+
+    c-type struct of RICIndicationMessage
+    ---------------------------------------
+    typedef struct RICindicationMessage {
+        long requestorID;
+        long requestSequenceNumber;
+        long ranfunctionID;
+        long actionID;
+        long indicationSN;
+        long indicationType;
+        uint8_t *indicationHeader;
+        size_t indicationHeaderSize;
+        uint8_t *indicationMessage;
+        size_t indicationMessageSize;
+        uint8_t *callProcessID;
+        size_t callProcessIDSize;
+    } RICindicationMsg;
+    ---------------------------------------
+    """
+    _fields_ = [
+        ("request_id", c_long),
+        ("request_sequence_number", c_long),
+        ("function_id", c_long),
+        ("action_id", c_long),
+        ("indication_sequence_number", c_long),
+        ("indication_type", c_long),
+        ("indication_header", POINTER(c_uint8)),
+        ("indication_header_length", c_size_t),
+        ("indication_message", POINTER(c_uint8)),
+        ("indication_message_length", c_size_t),
+        ("call_process_id", POINTER(c_uint8)),
+        ("call_process_id_length", c_size_t),
+    ]
+
+
+class causeItem_msg_t(Structure):
+    """
+    A class that mirrored E2AP's RICcauseItem with python
+
+    c-type struct of RICcauseItem
+    -----------------------------
+    typedef struct RICcauseItem {
+        int ricCauseType;
+        long ricCauseID;
+    } RICcauseItem;
+    -----------------------------
+    """
+    _fields_ = [
+        ("cause_type", c_int),
+        ("cause_id", c_long),
+    ]
+
+
+class actionAdmittedList_msg_t(Structure):
+    """
+    A class that mirrored E2AP's RICactionAdmittedList with python
+
+    c-type struct of RICactionAdmittedList
+    --------------------------------------
+    typedef struct RICactionAdmittedList {
+        long ricActionID[16];
+        int count;
+    } RICactionAdmittedList;
+    --------------------------------------
+    """
+    _fields_ = [
+        ("request_id", c_long * 16),
+        ("count", c_int),
+    ]
+
+
+class actionNotAdmittedList_msg_t(Structure):
+    """
+    A class that mirrored E2AP's RICactionNotAdmittedList with python
+
+    c-type struct of RICactionNotAdmittedList
+    -------------------------------------------------------
+    typedef struct RICactionNotAdmittedList {
+        long ricActionID[16];
+        RICcauseItem ricCause[16];
+        int count;
+    } RICactionNotAdmittedList;
+    -------------------------------------------------------
+    """
+    _fields_ = [
+        ("request_id", c_long * 16),
+        ("cause", causeItem_msg_t * 16),
+        ("count", c_int),
+    ]
+
+
+class subResp_msg_t(Structure):
+    """
+    A class that mirrored E2AP's subscriptionResponseMessage with python
+
+    c-type struct of subscriptionResponseMessage
+    -------------------------------------------------------
+    typedef struct RICsubscriptionResponseMessage {
+        long requestorID;
+        long requestSequenceNumber;
+        long ranfunctionID;
+        RICactionAdmittedList ricActionAdmittedList;
+        RICactionNotAdmittedList ricActionNotAdmittedList;
+    } RICsubscriptionResponseMsg;
+    -------------------------------------------------------
+    """
+    _fields_ = [
+        ("request_id", c_long),
+        ("request_sequence_number", c_long),
+        ("function_id", c_long),
+        ("action_admitted_list", actionAdmittedList_msg_t),
+        ("action_not_admitted_list", actionNotAdmittedList_msg_t),
+    ]
+
+
+class ric_action_definition_t(Structure):
+    """
+    A class that mirrored E2AP's RICactionDefinition with python
+
+    c-type struct of RICactionDefinition
+    -------------------------------------------------------
+    typedef struct RICactionDefinition {
+        uint8_t *actionDefinition;
+        int size;
+    } RICactionDefinition;
+    -------------------------------------------------------
+    """
+    _fields_ = [
+        ("action_definition", POINTER(c_uint8)),
+        ("size", c_int),
+    ]
+
+
+class ric_subsequent_action_t(Structure):
+    """
+    A class that mirrored E2AP's RICSubsequentAction with python
+
+    c-type struct of RICSubsequentAction
+    -------------------------------------------------------
+    typedef struct RICSubsequentAction {
+        int isValid;
+        long subsequentActionType;
+        long timeToWait;
+    } RICSubsequentAction;
+    -------------------------------------------------------
+    """
+    _fields_ = [
+        ("is_valid", c_int),
+        ("subsequent_action_type", c_long),
+        ("time_to_wait", c_long),
+    ]