diff --git a/core/common/security/permission/softbus_trans_permission.json b/core/common/security/permission/softbus_trans_permission.json
index 24b4840211..7517739608 100644
--- a/core/common/security/permission/softbus_trans_permission.json
+++ b/core/common/security/permission/softbus_trans_permission.json
@@ -194,5 +194,18 @@
         "ACTIONS": "create,open"
       }
     ]
+  },
+  {
+    "SESSION_NAME": "IShare*",
+    "REGEXP": "true",
+    "DEVID": "NETWORKID",
+    "SEC_LEVEL": "public",
+    "APP_INFO": [
+      {
+        "PKG_NAME": "ohos.InterConnection.iShare",
+        "TYPE": "native_app",
+        "ACTIONS": "create,open"
+      }
+    ]
   }
 ]
diff --git a/sdk/transmission/session/src/client_trans_message_service.c b/sdk/transmission/session/src/client_trans_message_service.c
index 9da2727c3b..7065229d06 100644
--- a/sdk/transmission/session/src/client_trans_message_service.c
+++ b/sdk/transmission/session/src/client_trans_message_service.c
@@ -16,6 +16,8 @@
 #include "client_trans_message_service.h"
 
 #include "client_trans_channel_manager.h"
+#include "client_trans_file.h"
+#include "client_trans_file_listener.h"
 #include "client_trans_session_manager.h"
 #include "softbus_def.h"
 #include "softbus_errcode.h"
@@ -109,6 +111,13 @@ int SendFile(int sessionId, const char *sFileList[], const char *dFileList[], ui
         return SOFTBUS_INVALID_PARAM;
     }
 
+    FileSchemaListener fileSchemaListener = {0};
+    if (CheckFileSchema(sessionId, &fileSchemaListener) == SOFTBUS_OK) {
+        if (SetSchemaCallback(fileSchemaListener.schema, sFileList, fileCnt) != SOFTBUS_OK) {
+            SoftBusLog(SOFTBUS_LOG_TRAN, SOFTBUS_LOG_ERROR, "set schema callback failed");
+            return SOFTBUS_ERR;
+        }
+    }
     int32_t channelId = INVALID_CHANNEL_ID;
     int32_t type = CHANNEL_TYPE_BUTT;
     bool isEnable = false;
diff --git a/sdk/transmission/session/trans_session_sdk.gni b/sdk/transmission/session/trans_session_sdk.gni
index d021cf5682..1668e83e0c 100644
--- a/sdk/transmission/session/trans_session_sdk.gni
+++ b/sdk/transmission/session/trans_session_sdk.gni
@@ -23,6 +23,7 @@ if (defined(ohos_lite)) {
   trans_session_sdk_inc = [
     "$dsoftbus_sdk_path/transmission/session/include",
     "$dsoftbus_root_path/interfaces/inner_kits/transport",
+    "$dsoftbus_root_path/sdk/transmission/trans_channel/udp/file/include",
     "//third_party/cJSON",
   ]
 } else {
@@ -31,6 +32,7 @@ if (defined(ohos_lite)) {
     "$dsoftbus_sdk_path/transmission/session/cpp/include",
     "$dsoftbus_sdk_path/transmission/session/cpp/src",
     "$dsoftbus_root_path/interfaces/inner_kits/transport",
+    "$dsoftbus_root_path/sdk/transmission/trans_channel/udp/file/include",
   ]
 
   trans_session_sdk_src += [
@@ -40,3 +42,20 @@ if (defined(ohos_lite)) {
     "$dsoftbus_root_path/sdk/transmission/session/cpp/src/session_service_impl.cpp",
   ]
 }
+
+native_source_path = rebase_path("$dsoftbus_root_path")
+dep_schema = "dsoftbus_enhance/sdk/transmission/session/src"
+schema_enhanced = exec_script("$dsoftbus_root_path/check_sub_module.py",
+                              [
+                                "$native_source_path",
+                                "$dep_schema",
+                              ],
+                              "value")
+
+if (schema_enhanced) {
+  import(
+      "//foundation/communication/dsoftbus/dsoftbus_enhance/sdk/transmission/session/src/trans_schema.gni")
+
+  trans_session_sdk_src += schema_src
+  bus_center_server_inc += schema_inc
+}
diff --git a/sdk/transmission/trans_channel/udp/common/src/client_trans_udp_manager.c b/sdk/transmission/trans_channel/udp/common/src/client_trans_udp_manager.c
index 8c4f7c1bb5..c4e55d51f8 100644
--- a/sdk/transmission/trans_channel/udp/common/src/client_trans_udp_manager.c
+++ b/sdk/transmission/trans_channel/udp/common/src/client_trans_udp_manager.c
@@ -435,6 +435,7 @@ int32_t ClientTransUdpMgrInit(IClientSessionCallBack *callback)
     g_sessionCb = callback;
     RegisterStreamCb(&g_udpChannelCb);
     TransFileInit();
+    TransFileSchemaInit();
     RegisterFileCb(&g_udpChannelCb);
     g_udpChannelMgr = CreateSoftBusList();
     if (g_udpChannelMgr == NULL) {
diff --git a/sdk/transmission/trans_channel/udp/file/file_sdk.gni b/sdk/transmission/trans_channel/udp/file/file_sdk.gni
index 4cd20f2596..10fb725f44 100644
--- a/sdk/transmission/trans_channel/udp/file/file_sdk.gni
+++ b/sdk/transmission/trans_channel/udp/file/file_sdk.gni
@@ -35,7 +35,22 @@ if (dsoftbus_feature_trans_udp_file == true) {
                            "$dep_file",
                          ],
                          "value")
+  dep_fileschema =
+      "dsoftbus_enhance/sdk/transmission/trans_channel/udp/file/BUILD.gn"
+  enhanced_huaweishare = exec_script("$dsoftbus_root_path/check_sub_module.py",
+                                     [
+                                       "$native_source_path",
+                                       "$dep_fileschema",
+                                     ],
+                                     "value")
   if (enhanced) {
+    if (enhanced_huaweishare) {
+      trans_file_sdk_inc += [
+        "$dsoftbus_root_path/dsoftbus_enhance/interfaces/kits/transport",
+        "$dsoftbus_root_path/dsoftbus_enhance/sdk/transmission/trans_channel/udp/file/include",
+      ]
+      trans_file_sdk_deps += [ "$dsoftbus_root_path/dsoftbus_enhance/sdk/transmission/trans_channel/udp/file:dsoftbus_file_schema_service" ]
+    }
     trans_file_sdk_inc += [
       "$dsoftbus_root_path/components/nstackx_enhanced/nstackx_core/dfile/interface",
       "$dsoftbus_root_path/components/nstackx_enhanced/nstackx_util/interface",
@@ -47,6 +62,8 @@ if (dsoftbus_feature_trans_udp_file == true) {
       "$dsoftbus_root_path/components/nstackx/nstackx_util/interface",
     ]
     trans_file_sdk_deps += [ "$dsoftbus_root_path/components/nstackx/nstackx_core/dfile:nstackx_dfile.open" ]
+    trans_file_sdk_src +=
+        [ "$dsoftbus_file_sdk_path/src/client_trans_file_schema_virtual.c" ]
   }
 } else {
   trans_file_sdk_src +=
diff --git a/sdk/transmission/trans_channel/udp/file/include/client_trans_file.h b/sdk/transmission/trans_channel/udp/file/include/client_trans_file.h
index 4ddfc4cd93..477c0cc502 100644
--- a/sdk/transmission/trans_channel/udp/file/include/client_trans_file.h
+++ b/sdk/transmission/trans_channel/udp/file/include/client_trans_file.h
@@ -23,6 +23,21 @@
 extern "C" {
 #endif
 
+#define SCHEMASEPARATORLENGTH 2
+#define SCHEMA_MAX_LENGTH 32
+
+typedef struct {
+    const char name[SCHEMA_MAX_LENGTH];
+    int (*OpenFd)(const char *filename, int32_t flag, int32_t mode);
+    int (*CloseFd)(int32_t fd);
+}FileSchema;
+
+typedef struct {
+    ListNode node;
+    char mySessionName[SESSION_NAME_SIZE_MAX];
+    FileSchema schema;
+}FileSchemaListener;
+
 void RegisterFileCb(const UdpChannelMgrCb *fileCb);
 
 int32_t TransOnFileChannelOpened(const char *sessionName, const ChannelInfo *channel, int32_t *filePort);
@@ -30,6 +45,14 @@ int32_t TransOnFileChannelOpened(const char *sessionName, const ChannelInfo *cha
 void TransCloseFileChannel(int32_t dfileId);
 
 int32_t TransSendFile(int32_t channelId, const char *sFileList[], const char *dFileList[], uint32_t fileCnt);
+
+int32_t TransFileSchemaInit(void);
+
+void TransFileSchemaDeinit(void);
+
+int32_t CheckFileSchema(int32_t sessionId, FileSchemaListener *fileSchemaListener);
+
+int32_t SetSchemaCallback(FileSchema fileSchema, const char *sFileList[], uint32_t fileCnt);
 #ifdef __cplusplus
 }
 #endif
diff --git a/sdk/transmission/trans_channel/udp/file/src/client_trans_file_schema_virtual.c b/sdk/transmission/trans_channel/udp/file/src/client_trans_file_schema_virtual.c
new file mode 100755
index 0000000000..1ff37f1cf1
--- /dev/null
+++ b/sdk/transmission/trans_channel/udp/file/src/client_trans_file_schema_virtual.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * 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 <securec.h>
+
+#include "client_trans_file.h"
+#include "client_trans_file_listener.h"
+#include "file_adapter.h"
+#include "nstackx_dfile.h"
+#include "softbus_errcode.h"
+#include "softbus_log.h"
+#include "softbus_utils.h"
+
+int32_t TransFileSchemaInit(void)
+{
+    return SOFTBUS_OK;
+}
+
+void TransFileSchemaDeinit(void)
+{
+}
+
+int32_t CheckFileSchema(int32_t sessionId, FileSchemaListener *fileSchemaListener)
+{
+    (void)sessionId;
+    (void)fileSchemaListener;
+    return SOFTBUS_OK;
+}
+
+int32_t SetSchemaCallback(FileSchema fileSchema, const char *sFileList[], uint32_t fileCnt)
+{
+    (void)fileSchema;
+    (void)sFileList;
+    (void)fileCnt;
+    return SOFTBUS_OK;
+}
\ No newline at end of file
diff --git a/sdk/transmission/trans_channel/udp/file/src/client_trans_file_virtual.c b/sdk/transmission/trans_channel/udp/file/src/client_trans_file_virtual.c
index 1b916d1d9c..f5456fe4de 100644
--- a/sdk/transmission/trans_channel/udp/file/src/client_trans_file_virtual.c
+++ b/sdk/transmission/trans_channel/udp/file/src/client_trans_file_virtual.c
@@ -15,6 +15,7 @@
 
 #include "client_trans_file_listener.h"
 #include "client_trans_udp_manager.h"
+#include "client_trans_file.h"
 #include "softbus_errcode.h"
 
 int TransFileInit(void)
@@ -77,4 +78,4 @@ int32_t TransSendFile(int32_t channelId, const char *sFileList[], const char *dF
     (void)dFileList;
     (void)fileCnt;
     return SOFTBUS_FUNC_NOT_SUPPORT;
-}
\ No newline at end of file
+}