diff --git a/multimodalinput/kits/c/BUILD.gn b/multimodalinput/kits/c/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..ef280ae4410748f9e0c527037ac214557090a516
--- /dev/null
+++ b/multimodalinput/kits/c/BUILD.gn
@@ -0,0 +1,39 @@
+# Copyright (C) 2024 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.
+
+import("//build/ohos.gni")
+import("//build/ohos/ndk/ndk.gni")
+import("//foundation/multimodalinput/input/multimodalinput_mini.gni")
+
+ohos_ndk_headers("ohinput_header") {
+  dest_dir = "$ndk_headers_out_dir/multimodalinput"
+  sources = [
+    "input_event/capi_input_event.h",
+    "input_event/capi_key_event.h",
+    "input_event/capi_mouse_event.h",
+    "input_event/capi_touch_event.h",
+  ]
+}
+
+ohos_ndk_library("libohinput_ndk") {
+  output_name = "ohinput"
+  output_extension = "so"
+  ndk_description_file = "./ohinput.ndk.json"
+  system_capability = "SystemCapability.MultimodalInput.Input.InputSimulator"
+  system_capability_headers = [
+    "multimodalinput/capi_input_event.h",
+    "multimodalinput/capi_key_event.h",
+    "multimodalinput/capi_mouse_event.h",
+    "multimodalinput/capi_touch_event.h",
+  ]
+}
diff --git a/multimodalinput/kits/c/input_event/capi_input_event.h b/multimodalinput/kits/c/input_event/capi_input_event.h
new file mode 100644
index 0000000000000000000000000000000000000000..3e10d78324d78858a5d4b0baec16851c21a303dc
--- /dev/null
+++ b/multimodalinput/kits/c/input_event/capi_input_event.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2024 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.
+ */
+
+#ifndef CAPI_INPUT_EVENT_H
+#define CAPI_INPUT_EVENT_H
+
+/**
+ * @addtogroup OHInput
+ * @{
+ *
+ * @brief Provides the C interface in the multi-modal input domain.
+ *
+ * @since 11
+ * @version 1.0
+ */
+
+/**
+ * @file capi_input_event.h
+ *
+ * @brief Provides C interfaces for multi-modal event injection.
+ *
+ * @syscap SystemCapability.MultimodalInput.Input.InputSimulator
+ * @library libohinput.so
+ * @since 11
+ * @version 1.0
+ */
+
+#include <stdint.h>
+#include "capi_key_event.h"
+#include "capi_mouse_event.h"
+#include "capi_touch_event.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Inject system keys.
+ *
+ * @param keyEvent - the key event to be injected.
+ * @return 0 - Success.
+ *         201 - Missing permissions.
+ *         202 - SystemAPI permission error.
+ *         401 - Parameter error.
+ * @permission systemapi hide for inner use
+ * @syscap SystemCapability.MultimodalInput.Input.InputSimulator
+ * @since 11
+ * @version 1.0
+ */
+int32_t OH_InputEventClient_InjectEvent(struct OH_KeyEvent* keyEvent);
+
+/**
+ * @brief Inject mouse event.
+ *
+ * @param mouseEvent - the mouse event to be injected.
+ * @return 0 - Success.
+ *         201 - Missing permissions.
+ *         202 - SystemAPI permission error.
+ *         401 - Parameter error.
+ * @permission systemapi hide for inner use
+ * @syscap SystemCapability.MultimodalInput.Input.InputSimulator
+ * @since 11
+ * @version 1.0
+ */
+int32_t OH_InputEventClient_InjectMouseEvent(struct OH_MouseEvent* mouseEvent);
+
+/**
+ * @brief Inject touch event.
+ *
+ * @param touchEvent - the touch event to be injected.
+ * @return 0 - Success.
+ *         201 - Missing permissions.
+ *         202 - SystemAPI permission error.
+ *         401 - Parameter error.
+ * @permission systemapi hide for inner use
+ * @syscap SystemCapability.MultimodalInput.Input.InputSimulator
+ * @since 11
+ * @version 1.0
+ */
+int32_t OH_InputEventClient_InjectTouchEvent(struct OH_TouchEvent* touchEvent);
+
+#ifdef __cplusplus
+}
+#endif
+#endif // CAPI_INPUT_EVENT_H
diff --git a/multimodalinput/kits/c/input_event/capi_key_event.h b/multimodalinput/kits/c/input_event/capi_key_event.h
new file mode 100644
index 0000000000000000000000000000000000000000..38aa337070cd9cc50d6f8d151336e63e9de7a3fe
--- /dev/null
+++ b/multimodalinput/kits/c/input_event/capi_key_event.h
@@ -0,0 +1,402 @@
+/*
+ * Copyright (c) 2024 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.
+ */
+
+#ifndef CAPI_KEY_EVENT_H
+#define CAPI_KEY_EVENT_H
+
+/**
+ * @addtogroup OHInput
+ * @{
+ *
+ * @brief Provides the C interface in the multi-modal input domain.
+ *
+ * @since 11
+ * @version 1.0
+ */
+
+/**
+ * @file capi_key_event.h
+ *
+ * @brief Defines the key event structure and related enumeration values.
+ *
+ * @syscap SystemCapability.MultimodalInput.Input.InputSimulator
+ * @library libohinput.so
+ * @since 11
+ * @version 1.0
+ */
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Enumerated values of OpenHarmony key code.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef enum {
+    KEYCODE_FN = 0,
+    KEYCODE_UNKNOWN = -1,
+    KEYCODE_HOME = 1,
+    KEYCODE_BACK = 2,
+    KEYCODE_MEDIA_PLAY_PAUSE = 10,
+    KEYCODE_MEDIA_STOP = 11,
+    KEYCODE_MEDIA_NEXT = 12,
+    KEYCODE_MEDIA_PREVIOUS = 13,
+    KEYCODE_MEDIA_REWIND = 14,
+    KEYCODE_MEDIA_FAST_FORWARD = 15,
+    KEYCODE_VOLUME_UP = 16,
+    KEYCODE_VOLUME_DOWN = 17,
+    KEYCODE_POWER = 18,
+    KEYCODE_CAMERA = 19,
+    KEYCODE_VOLUME_MUTE = 22,
+    KEYCODE_MUTE = 23,
+    KEYCODE_BRIGHTNESS_UP = 40,
+    KEYCODE_BRIGHTNESS_DOWN = 41,
+    KEYCODE_0 = 2000,
+    KEYCODE_1 = 2001,
+    KEYCODE_2 = 2002,
+    KEYCODE_3 = 2003,
+    KEYCODE_4 = 2004,
+    KEYCODE_5 = 2005,
+    KEYCODE_6 = 2006,
+    KEYCODE_7 = 2007,
+    KEYCODE_8 = 2008,
+    KEYCODE_9 = 2009,
+    KEYCODE_STAR = 2010,
+    KEYCODE_POUND = 2011,
+    KEYCODE_DPAD_UP = 2012,
+    KEYCODE_DPAD_DOWN = 2013,
+    KEYCODE_DPAD_LEFT = 2014,
+    KEYCODE_DPAD_RIGHT = 2015,
+    KEYCODE_DPAD_CENTER = 2016,
+    KEYCODE_A = 2017,
+    KEYCODE_B = 2018,
+    KEYCODE_C = 2019,
+    KEYCODE_D = 2020,
+    KEYCODE_E = 2021,
+    KEYCODE_F = 2022,
+    KEYCODE_G = 2023,
+    KEYCODE_H = 2024,
+    KEYCODE_I = 2025,
+    KEYCODE_J = 2026,
+    KEYCODE_K = 2027,
+    KEYCODE_L = 2028,
+    KEYCODE_M = 2029,
+    KEYCODE_N = 2030,
+    KEYCODE_O = 2031,
+    KEYCODE_P = 2032,
+    KEYCODE_Q = 2033,
+    KEYCODE_R = 2034,
+    KEYCODE_S = 2035,
+    KEYCODE_T = 2036,
+    KEYCODE_U = 2037,
+    KEYCODE_V = 2038,
+    KEYCODE_W = 2039,
+    KEYCODE_X = 2040,
+    KEYCODE_Y = 2041,
+    KEYCODE_Z = 2042,
+    KEYCODE_COMMA = 2043,
+    KEYCODE_PERIOD = 2044,
+    KEYCODE_ALT_LEFT = 2045,
+    KEYCODE_ALT_RIGHT = 2046,
+    KEYCODE_SHIFT_LEFT = 2047,
+    KEYCODE_SHIFT_RIGHT = 2048,
+    KEYCODE_TAB = 2049,
+    KEYCODE_SPACE = 2050,
+    KEYCODE_SYM = 2051,
+    KEYCODE_EXPLORER = 2052,
+    KEYCODE_ENVELOPE = 2053,
+    KEYCODE_ENTER = 2054,
+    KEYCODE_DEL = 2055,
+    KEYCODE_GRAVE = 2056,
+    KEYCODE_MINUS = 2057,
+    KEYCODE_EQUALS = 2058,
+    KEYCODE_LEFT_BRACKET = 2059,
+    KEYCODE_RIGHT_BRACKET = 2060,
+    KEYCODE_BACKSLASH = 2061,
+    KEYCODE_SEMICOLON = 2062,
+    KEYCODE_APOSTROPHE = 2063,
+    KEYCODE_SLASH = 2064,
+    KEYCODE_AT = 2065,
+    KEYCODE_PLUS = 2066,
+    KEYCODE_MENU = 2067,
+    KEYCODE_PAGE_UP = 2068,
+    KEYCODE_PAGE_DOWN = 2069,
+    KEYCODE_ESCAPE = 2070,
+    KEYCODE_FORWARD_DEL = 2071,
+    KEYCODE_CTRL_LEFT = 2072,
+    KEYCODE_CTRL_RIGHT = 2073,
+    KEYCODE_CAPS_LOCK = 2074,
+    KEYCODE_SCROLL_LOCK = 2075,
+    KEYCODE_META_LEFT = 2076,
+    KEYCODE_META_RIGHT = 2077,
+    KEYCODE_FUNCTION = 2078,
+    KEYCODE_SYSRQ = 2079,
+    KEYCODE_BREAK = 2080,
+    KEYCODE_MOVE_HOME = 2081,
+    KEYCODE_MOVE_END = 2082,
+    KEYCODE_INSERT = 2083,
+    KEYCODE_FORWARD = 2084,
+    KEYCODE_MEDIA_PLAY = 2085,
+    KEYCODE_MEDIA_PAUSE = 2086,
+    KEYCODE_MEDIA_CLOSE = 2087,
+    KEYCODE_MEDIA_EJECT = 2088,
+    KEYCODE_MEDIA_RECORD = 2089,
+    KEYCODE_F1 = 2090,
+    KEYCODE_F2 = 2091,
+    KEYCODE_F3 = 2092,
+    KEYCODE_F4 = 2093,
+    KEYCODE_F5 = 2094,
+    KEYCODE_F6 = 2095,
+    KEYCODE_F7 = 2096,
+    KEYCODE_F8 = 2097,
+    KEYCODE_F9 = 2098,
+    KEYCODE_F10 = 2099,
+    KEYCODE_F11 = 2100,
+    KEYCODE_F12 = 2101,
+    KEYCODE_NUM_LOCK = 2102,
+    KEYCODE_NUMPAD_0 = 2103,
+    KEYCODE_NUMPAD_1 = 2104,
+    KEYCODE_NUMPAD_2 = 2105,
+    KEYCODE_NUMPAD_3 = 2106,
+    KEYCODE_NUMPAD_4 = 2107,
+    KEYCODE_NUMPAD_5 = 2108,
+    KEYCODE_NUMPAD_6 = 2109,
+    KEYCODE_NUMPAD_7 = 2110,
+    KEYCODE_NUMPAD_8 = 2111,
+    KEYCODE_NUMPAD_9 = 2112,
+    KEYCODE_NUMPAD_DIVIDE = 2113,
+    KEYCODE_NUMPAD_MULTIPLY = 2114,
+    KEYCODE_NUMPAD_SUBTRACT = 2115,
+    KEYCODE_NUMPAD_ADD = 2116,
+    KEYCODE_NUMPAD_DOT = 2117,
+    KEYCODE_NUMPAD_COMMA = 2118,
+    KEYCODE_NUMPAD_ENTER = 2119,
+    KEYCODE_NUMPAD_EQUALS = 2120,
+    KEYCODE_NUMPAD_LEFT_PAREN = 2121,
+    KEYCODE_NUMPAD_RIGHT_PAREN = 2122,
+    KEYCODE_VIRTUAL_MULTITASK = 2210,
+    KEYCODE_SLEEP = 2600,
+    KEYCODE_ZENKAKU_HANKAKU = 2601,
+    KEYCODE_102ND = 2602,
+    KEYCODE_RO = 2603,
+    KEYCODE_KATAKANA = 2604,
+    KEYCODE_HIRAGANA = 2605,
+    KEYCODE_HENKAN = 2606,
+    KEYCODE_KATAKANA_HIRAGANA = 2607,
+    KEYCODE_MUHENKAN = 2608,
+    KEYCODE_LINEFEED = 2609,
+    KEYCODE_MACRO = 2610,
+    KEYCODE_NUMPAD_PLUSMINUS = 2611,
+    KEYCODE_SCALE = 2612,
+    KEYCODE_HANGUEL = 2613,
+    KEYCODE_HANJA = 2614,
+    KEYCODE_YEN = 2615,
+    KEYCODE_STOP = 2616,
+    KEYCODE_AGAIN = 2617,
+    KEYCODE_PROPS = 2618,
+    KEYCODE_UNDO = 2619,
+    KEYCODE_COPY = 2620,
+    KEYCODE_OPEN = 2621,
+    KEYCODE_PASTE = 2622,
+    KEYCODE_FIND = 2623,
+    KEYCODE_CUT = 2624,
+    KEYCODE_HELP = 2625,
+    KEYCODE_CALC = 2626,
+    KEYCODE_FILE = 2627,
+    KEYCODE_BOOKMARKS = 2628,
+    KEYCODE_NEXT = 2629,
+    KEYCODE_PLAYPAUSE = 2630,
+    KEYCODE_PREVIOUS = 2631,
+    KEYCODE_STOPCD = 2632,
+    KEYCODE_CONFIG = 2634,
+    KEYCODE_REFRESH = 2635,
+    KEYCODE_EXIT = 2636,
+    KEYCODE_EDIT = 2637,
+    KEYCODE_SCROLLUP = 2638,
+    KEYCODE_SCROLLDOWN = 2639,
+    KEYCODE_NEW = 2640,
+    KEYCODE_REDO = 2641,
+    KEYCODE_CLOSE = 2642,
+    KEYCODE_PLAY = 2643,
+    KEYCODE_BASSBOOST = 2644,
+    KEYCODE_PRINT = 2645,
+    KEYCODE_CHAT = 2646,
+    KEYCODE_FINANCE = 2647,
+    KEYCODE_CANCEL = 2648,
+    KEYCODE_KBDILLUM_TOGGLE = 2649,
+    KEYCODE_KBDILLUM_DOWN = 2650,
+    KEYCODE_KBDILLUM_UP = 2651,
+    KEYCODE_SEND = 2652,
+    KEYCODE_REPLY = 2653,
+    KEYCODE_FORWARDMAIL = 2654,
+    KEYCODE_SAVE = 2655,
+    KEYCODE_DOCUMENTS = 2656,
+    KEYCODE_VIDEO_NEXT = 2657,
+    KEYCODE_VIDEO_PREV = 2658,
+    KEYCODE_BRIGHTNESS_CYCLE = 2659,
+    KEYCODE_BRIGHTNESS_ZERO = 2660,
+    KEYCODE_DISPLAY_OFF = 2661,
+    KEYCODE_BTN_MISC = 2662,
+    KEYCODE_GOTO = 2663,
+    KEYCODE_INFO = 2664,
+    KEYCODE_PROGRAM = 2665,
+    KEYCODE_PVR = 2666,
+    KEYCODE_SUBTITLE = 2667,
+    KEYCODE_FULL_SCREEN = 2668,
+    KEYCODE_KEYBOARD = 2669,
+    KEYCODE_ASPECT_RATIO = 2670,
+    KEYCODE_PC = 2671,
+    KEYCODE_TV = 2672,
+    KEYCODE_TV2 = 2673,
+    KEYCODE_VCR = 2674,
+    KEYCODE_VCR2 = 2675,
+    KEYCODE_SAT = 2676,
+    KEYCODE_CD = 2677,
+    KEYCODE_TAPE = 2678,
+    KEYCODE_TUNER = 2679,
+    KEYCODE_PLAYER = 2680,
+    KEYCODE_DVD = 2681,
+    KEYCODE_AUDIO = 2682,
+    KEYCODE_VIDEO = 2683,
+    KEYCODE_MEMO = 2684,
+    KEYCODE_CALENDAR = 2685,
+    KEYCODE_RED = 2686,
+    KEYCODE_GREEN = 2687,
+    KEYCODE_YELLOW = 2688,
+    KEYCODE_BLUE = 2689,
+    KEYCODE_CHANNELUP = 2690,
+    KEYCODE_CHANNELDOWN = 2691,
+    KEYCODE_LAST = 2692,
+    KEYCODE_RESTART = 2693,
+    KEYCODE_SLOW = 2694,
+    KEYCODE_SHUFFLE = 2695,
+    KEYCODE_VIDEOPHONE = 2696,
+    KEYCODE_GAMES = 2697,
+    KEYCODE_ZOOMIN = 2698,
+    KEYCODE_ZOOMOUT = 2699,
+    KEYCODE_ZOOMRESET = 2700,
+    KEYCODE_WORDPROCESSOR = 2701,
+    KEYCODE_EDITOR = 2702,
+    KEYCODE_SPREADSHEET = 2703,
+    KEYCODE_GRAPHICSEDITOR = 2704,
+    KEYCODE_PRESENTATION = 2705,
+    KEYCODE_DATABASE = 2706,
+    KEYCODE_NEWS = 2707,
+    KEYCODE_VOICEMAIL = 2708,
+    KEYCODE_ADDRESSBOOK = 2709,
+    KEYCODE_MESSENGER = 2710,
+    KEYCODE_BRIGHTNESS_TOGGLE = 2711,
+    KEYCODE_SPELLCHECK = 2712,
+    KEYCODE_COFFEE = 2713,
+    KEYCODE_MEDIA_REPEAT = 2714,
+    KEYCODE_IMAGES = 2715,
+    KEYCODE_BUTTONCONFIG = 2716,
+    KEYCODE_TASKMANAGER = 2717,
+    KEYCODE_JOURNAL = 2718,
+    KEYCODE_CONTROLPANEL = 2719,
+    KEYCODE_APPSELECT = 2720,
+    KEYCODE_SCREENSAVER = 2721,
+    KEYCODE_ASSISTANT = 2722,
+    KEYCODE_KBD_LAYOUT_NEXT = 2723,
+    KEYCODE_BRIGHTNESS_MIN = 2724,
+    KEYCODE_BRIGHTNESS_MAX = 2725,
+    KEYCODE_KBDINPUTASSIST_PREV = 2726,
+    KEYCODE_KBDINPUTASSIST_NEXT = 2727,
+    KEYCODE_KBDINPUTASSIST_PREVGROUP = 2728,
+    KEYCODE_KBDINPUTASSIST_NEXTGROUP = 2729,
+    KEYCODE_KBDINPUTASSIST_ACCEPT = 2730,
+    KEYCODE_KBDINPUTASSIST_CANCEL = 2731,
+    KEYCODE_FRONT = 2800,
+    KEYCODE_SETUP = 2801,
+    KEYCODE_WAKEUP = 2802,
+    KEYCODE_SENDFILE = 2803,
+    KEYCODE_DELETEFILE = 2804,
+    KEYCODE_XFER = 2805,
+    KEYCODE_PROG1 = 2806,
+    KEYCODE_PROG2 = 2807,
+    KEYCODE_MSDOS = 2808,
+    KEYCODE_SCREENLOCK = 2809,
+    KEYCODE_DIRECTION_ROTATE_DISPLAY = 2810,
+    KEYCODE_CYCLEWINDOWS = 2811,
+    KEYCODE_COMPUTER = 2812,
+    KEYCODE_EJECTCLOSECD = 2813,
+    KEYCODE_ISO = 2814,
+    KEYCODE_MOVE = 2815,
+    KEYCODE_F13 = 2816,
+    KEYCODE_F14 = 2817,
+    KEYCODE_F15 = 2818,
+    KEYCODE_F16 = 2819,
+    KEYCODE_F17 = 2820,
+    KEYCODE_F18 = 2821,
+    KEYCODE_F19 = 2822,
+    KEYCODE_F20 = 2823,
+    KEYCODE_F21 = 2824,
+    KEYCODE_F22 = 2825,
+    KEYCODE_F23 = 2826,
+    KEYCODE_F24 = 2827,
+    KEYCODE_PROG3 = 2828,
+    KEYCODE_PROG4 = 2829,
+    KEYCODE_DASHBOARD = 2830,
+    KEYCODE_SUSPEND = 2831,
+    KEYCODE_HP = 2832,
+    KEYCODE_SOUND = 2833,
+    KEYCODE_QUESTION = 2834,
+    KEYCODE_CONNECT = 2836,
+    KEYCODE_SPORT = 2837,
+    KEYCODE_SHOP = 2838,
+    KEYCODE_ALTERASE = 2839,
+    KEYCODE_SWITCHVIDEOMODE = 2841,
+    KEYCODE_BATTERY = 2842,
+    KEYCODE_BLUETOOTH = 2843,
+    KEYCODE_WLAN = 2844,
+    KEYCODE_UWB = 2845,
+    KEYCODE_WWAN_WIMAX = 2846,
+    KEYCODE_RFKILL = 2847,
+    KEYCODE_CHANNEL = 3001,
+    KEYCODE_BTN_0 = 3100,
+    KEYCODE_BTN_1 = 3101,
+    KEYCODE_BTN_2 = 3102,
+    KEYCODE_BTN_3 = 3103,
+    KEYCODE_BTN_4 = 3104,
+    KEYCODE_BTN_5 = 3105,
+    KEYCODE_BTN_6 = 3106,
+    KEYCODE_BTN_7 = 3107,
+    KEYCODE_BTN_8 = 3108,
+    KEYCODE_BTN_9 = 3109
+} OH_KeyCode;
+
+/**
+ * @brief The key event to be injected.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef struct OH_KeyEvent {
+    bool isPressed = false;
+    int32_t keyCode;
+    int32_t keyDownDuration = 0;
+    bool isIntercepted = false;
+} OH_KeyEvent;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // CAPI_KEY_EVENT_H
diff --git a/multimodalinput/kits/c/input_event/capi_mouse_event.h b/multimodalinput/kits/c/input_event/capi_mouse_event.h
new file mode 100644
index 0000000000000000000000000000000000000000..f6181b81e63094ddb944bcadd6f48212482e3879
--- /dev/null
+++ b/multimodalinput/kits/c/input_event/capi_mouse_event.h
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2024 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.
+ */
+
+#ifndef CAPI_MOUSE_EVENT_H
+#define CAPI_MOUSE_EVENT_H
+
+/**
+ * @addtogroup OHInput
+ * @{
+ *
+ * @brief Provides the C interface in the multi-modal input domain.
+ *
+ * @since 11
+ * @version 1.0
+ */
+
+/**
+ * @file capi_mouse_event.h
+ *
+ * @brief Defines the mouse event structure and related enumeration values.
+ *
+ * @syscap SystemCapability.MultimodalInput.Input.InputSimulator
+ * @library libohinput.so
+ * @since 11
+ * @version 1.0
+ */
+
+#include <stdint.h>
+#include "capi_key_event.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Enumerated values of mouse event action.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef enum {
+    /** Cancel. */
+    MOUSE_ACTION_CANCEL = 0,
+    /** Moving of the mouse pointer. */
+    MOUSE_ACTION_MOVE = 1,
+    /** Pressing down of the mouse. */
+    MOUSE_ACTION_BUTTON_DOWN = 2,
+    /** Lifting of the mouse button. */
+    MOUSE_ACTION_BUTTON_UP = 3,
+    /** Beginning of the axis event associated with the mouse. */
+    MOUSE_ACTION_AXIS_BEGIN = 4,
+    /** Updating of the axis event associated with the mouse. */
+    MOUSE_ACTION_AXIS_UPDATE = 5,
+    /** Ending of the axis event associated with the mouse. */
+    MOUSE_ACTION_AXIS_END = 6,
+    /** Pressing down of the mouse touch pad. */
+    MOUSE_ACTION_ACTION_DOWN = 7,
+    /** Lifting of the mouse touch pad. */
+    MOUSE_ACTION_ACTION_UP = 8
+} MouseEvent_Action;
+
+/**
+ * @brief Enumerated values of mouse event button.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef enum {
+    /** Left button on the mouse. */
+    MOUSE_BUTTON_LEFT = 0,
+    /** Middle button on the mouse. */
+    MOUSE_BUTTON_MIDDLE = 1,
+    /** Right button on the mouse. */
+    MOUSE_BUTTON_RIGHT = 2,
+    /** Side button on the mouse. */
+    MOUSE_BUTTON_SIDE = 3,
+    /** Extended button on the mouse. */
+    MOUSE_BUTTON_EXTRA = 4,
+    /** Forward button on the mouse. */
+    MOUSE_BUTTON_FORWARD = 5,
+    /** Back button on the mouse. */
+    MOUSE_BUTTON_BACK = 6,
+    /** Task key on the mouse. */
+    MOUSE_BUTTON_TASK = 7
+} MouseEvent_Button;
+
+/**
+ * @brief Enumerated values of mouse event axis.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef enum {
+    /** Vertical scroll axis. */
+    MOUSE_AXIS_SCROLL_VERTICAL = 0,
+    /** Horizontal scroll axis. */
+    MOUSE_AXIS_SCROLL_HORIZONTAL = 1,
+    /** Pinch axis. */
+    MOUSE_AXIS_PINCH = 2
+} MouseEvent_Axis;
+
+/**
+ * @brief Enumerated values of mouse event tool type.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef enum {
+    /** Unknown type. */
+    MOUSE_TOOLTYPE_UNKNOWN = 0,
+    /** Mouse. */
+    MOUSE_TOOLTYPE_MOUSE = 1,
+    /** Joystick. */
+    MOUSE_TOOLTYPE_JOYSTICK = 2,
+    /** Touch pad. */
+    MOUSE_TOOLTYPE_TOUCHPAD = 3
+} MouseEvent_ToolType;
+
+/**
+ * @brief Structure of the axis information in the mouse event.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef struct MouseEvent_AxisValue {
+    /** Axis type. */
+    MouseEvent_Axis axis;
+    /** Axis value. */
+    int32_t value;
+} MouseEvent_AxisValue;
+
+/**
+ * @brief The mouse event to be injected.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef struct OH_MouseEvent {
+    /** Mouse event action. */
+    MouseEvent_Action action;
+    /** X coordinate of the mouse pointer on the screen. */
+    int32_t screenX;
+    /** Y coordinate of the mouse pointer on the screen. */
+    int32_t screenY;
+    /** X coordinate of the mouse pointer in the window. */
+    int32_t windowX;
+    /** Y coordinate of the mouse pointer in the window. */
+    int32_t windowY;
+    /**
+     * X axis offset relative to the previous reported mouse pointer position. When the mouse pointer is at
+     * the edge of the screen, the value may be less than the difference of the X coordinate reported twice.
+     */
+    int32_t rawDeltaX;
+    /** Y axis offset relative to the previous reported mouse pointer position. */
+    int32_t rawDeltaY;
+    /** Button that is currently pressed or released. */
+    MouseEvent_Button button;
+    /** Whether ctrlKey is being pressed. */
+    bool ctrlKey;
+    /** Whether altKey is being pressed. */
+    bool altKey;
+    /** Whether shiftKey is being pressed. */
+    bool shiftKey;
+    /** Whether logoKey is being pressed. */
+    bool logoKey;
+    /** Whether fnKey is being pressed. */
+    bool fnKey;
+    /** Whether capsLock is active. */
+    bool capsLock;
+    /** Whether numLock is active. */
+    bool numLock;
+    /** Whether scrollLock is active. */
+    bool scrollLock;
+    /** Tool type */
+    MouseEvent_ToolType toolType;
+} OH_MouseEvent;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // CAPI_MOUSE_EVENT_H
diff --git a/multimodalinput/kits/c/input_event/capi_touch_event.h b/multimodalinput/kits/c/input_event/capi_touch_event.h
new file mode 100644
index 0000000000000000000000000000000000000000..eefdb10f70f167bdf48569d61d13a34f118873ec
--- /dev/null
+++ b/multimodalinput/kits/c/input_event/capi_touch_event.h
@@ -0,0 +1,167 @@
+/*
+ * Copyright (c) 2024 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.
+ */
+
+#ifndef CAPI_TOUCH_EVENT_H
+#define CAPI_TOUCH_EVENT_H
+
+/**
+ * @addtogroup OHInput
+ * @{
+ *
+ * @brief Provides the C interface in the multi-modal input domain.
+ *
+ * @since 11
+ * @version 1.0
+ */
+
+/**
+ * @file capi_touch_event.h
+ *
+ * @brief Defines the touch event structure and related enumeration values.
+ *
+ * @syscap SystemCapability.MultimodalInput.Input.InputSimulator
+ * @library libohinput.so
+ * @since 11
+ * @version 1.0
+ */
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Enumerated values of touch event action.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef enum {
+    /** Touch cancelled. */
+    TOUCH_ACTION_CANCEL = 0,
+    /** Touch pressed. */
+    TOUCH_ACTION_DOWN = 1,
+    /** Touch moved. */
+    TOUCH_ACTION_MOVE = 2,
+    /** Touch lifted. */
+    TOUCH_ACTION_UP = 3,
+} TouchEvent_Action;
+
+/**
+ * @brief Enumerated values of touch event source type.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef enum {
+    /** Touchscreen. */
+    TOUCH_SOURCE_TYPE_TOUCH_SCREEN = 0,
+    /** Stylus. */
+    TOUCH_SOURCE_TYPE_PEN = 1,
+    /** Touchpad. */
+    TOUCH_SOURCE_TYPE_TOUCH_PAD = 2
+} TouchEvent_SourceType;
+
+/**
+ * @brief Enumerated values of touch event tool type.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef enum {
+    /** Finger. */
+    TOUCH_TOOLTYPE_FINGER = 0,
+    /** Stylus. */
+    TOUCH_TOOLTYPE_PEN = 1,
+    /** Rubber. */
+    TOUCH_TOOLTYPE_RUBBER = 2,
+    /** Brush. */
+    TOUCH_TOOLTYPE_BRUSH = 3,
+    /** Pencil. */
+    TOUCH_TOOLTYPE_PENCIL = 4,
+    /** Air brush. */
+    TOUCH_TOOLTYPE_AIRBRUSH = 5,
+    /** Mouse. */
+    TOUCH_TOOLTYPE_MOUSE = 6,
+    /** Lens. */
+    TOUCH_TOOLTYPE_LENS = 7,
+} TouchEvent_ToolType;
+
+/**
+ * @brief Information structure of the touch point in a touch event.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef struct TouchEvent_Point {
+    /** Pointer identifier. */
+    int32_t id;
+    /** Time stamp when touch is pressed. */
+    int32_t pressedTime;
+    /** X coordinate of the touch position on the screen. */
+    int32_t screenX;
+    /** Y coordinate of the touch position on the screen. */
+    int32_t screenY;
+    /** X coordinate of the touch position in the window. */
+    int32_t windowX;
+    /** Y coordinate of the touch position in the window. */
+    int32_t windowY;
+    /** Pressure value. The value range is [0.0, 1.0]. The value 0.0 indicates that the pressure is not supported. */
+    int32_t pressure;
+    /** Width of the contact area when touch is pressed. */
+    int32_t width;
+    /** Height of the contact area when touch is pressed. */
+    int32_t height;
+    /** Angle relative to the YZ plane. The value range is [-90, 90]. A positive value indicates a rightward tilt. */
+    int32_t tiltX;
+    /** Angle relative to the XZ plane. The value range is [-90, 90]. A positive value indicates a downward tilt. */
+    int32_t tiltY;
+    /** Center point X of the tool area. */
+    int32_t toolX;
+    /** Center point Y of the tool area. */
+    int32_t toolY;
+    /** Width of the tool area. */
+    int32_t toolWidth;
+    /** Height of the tool area. */
+    int32_t toolHeight;
+    /** X coordinate of the input device. */
+    int32_t rawX;
+    /** Y coordinate of the input device. */
+    int32_t rawY;
+    /** Tool type. */
+    TouchEvent_ToolType toolType;
+} TouchEvent_Point;
+
+/**
+ * @brief The touch event to be injected.
+ *
+ * @since 11
+ * @version 1.0
+ */
+typedef struct OH_TouchEvent {
+    /** Touch action. */
+    TouchEvent_Action action;
+    /** Current touch point. */
+    TouchEvent_Point touch;
+    /** Device type of the touch source. */
+    TouchEvent_SourceType sourceType;
+} OH_TouchEvent;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // CAPI_TOUCH_EVENT_H
diff --git a/multimodalinput/kits/c/ohinput.ndk.json b/multimodalinput/kits/c/ohinput.ndk.json
new file mode 100644
index 0000000000000000000000000000000000000000..b07d85d00ef389044df962df2a0870bdc830f339
--- /dev/null
+++ b/multimodalinput/kits/c/ohinput.ndk.json
@@ -0,0 +1,14 @@
+[
+    { 
+        "first_introduced": "11",
+        "name": "OH_InputEventClient_InjectEvent"
+    },
+    {
+        "first_introduced": "11",
+        "name": "OH_InputEventClient_InjectMouseEvent"
+    },
+    {
+        "first_introduced": "11",
+        "name": "OH_InputEventClient_InjectTouchEvent"
+    }
+]
\ No newline at end of file