diff --git a/api/__init__.py b/api/__init__.py
index af3b2ce..501c49a 100644
--- a/api/__init__.py
+++ b/api/__init__.py
@@ -162,4 +162,6 @@ from .s35_vd_gen import generate_virtual_district
 
 from .s36_wda_cal import calculate_demand_to_nodes, calculate_demand_to_region, calculate_demand_to_network
 
-from .s38_scada_info import get_scada_info_schema, get_scada_info, get_all_scada_info
\ No newline at end of file
+from .s38_scada_info import get_scada_info_schema, get_scada_info, get_all_scada_info
+
+from .s39_user import get_user_schema, get_user, get_all_users
diff --git a/api/s39_user.py b/api/s39_user.py
index 1e5e749..bc3e9c2 100644
--- a/api/s39_user.py
+++ b/api/s39_user.py
@@ -1,3 +1,37 @@
 from .database import *
+from .s0_base import *
+
+class User(object):
+    def __init__(self, input: dict[str, Any]) -> None:
+        self.type = 'user'
+        self.id = str(input['id'])
+        self.name = float(input['name'])
+        self.password = float(input['password'])
+
+    def as_dict(self) -> dict[str, Any]:
+        return { 'type': self.type, 'id': self.id, 'name': self.name, 'password': self.password }
+
+    def as_id_dict(self) -> dict[str, Any]:
+        return { 'type': self.type, 'id': self.id }
 
 
+def get_user_schema(name: str) -> dict[str, dict[str, Any]]:
+    return { 'id'         : {'type': 'str'      , 'optional': False , 'readonly': True },
+             'name'       : {'type': 'str'      , 'optional': False , 'readonly': False},
+             'password'   : {'type': 'str'      , 'optional': False , 'readonly': False} }
+
+def get_user(name: str, user_name: str) -> dict[str, Any]:
+    t = try_read(name, f"select * from users where name = '{user_name}'")
+    if t == None:
+        return {}
+
+    d = {}
+    d['id'] = str(t['id'])
+    d['name'] = str(t['name'])
+    # d['password'] = str(t['password'])
+
+    return d
+
+def get_all_users(name: str) -> list[dict[str, Any]]:
+    return read_all(name, "select * from users")
+
diff --git a/main.py b/main.py
index aec79bb..e0e10b8 100644
--- a/main.py
+++ b/main.py
@@ -2041,6 +2041,37 @@ async def fastapi_get_all_scada_info(network: str) -> list[dict[str, float]]:
     return get_all_scada_info(network)
 
 
+###########################################################
+# user 39
+###########################################################
+@app.get('/getuserschema/')
+async def fastapi_get_user_schema(network: str) -> dict[str, dict[str, Any]]:
+    return get_user_schema(network) 
+
+@app.get('/getuser/')
+async def fastapi_get_user(network: str, user_name: str) -> dict[str, float]:
+    return get_user(network, user_name)
+
+@app.get('/getallusers/')
+async def fastapi_get_all_users(network: str) -> list[dict[str, float]]:
+    return get_all_users(network)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 # inp file
 @app.post("/uploadinp/", status_code=status.HTTP_200_OK)
 async def fastapi_upload_inp(afile: bytes, name: str ):
diff --git a/tjnetwork.py b/tjnetwork.py
index 842a79a..05a0d09 100644
--- a/tjnetwork.py
+++ b/tjnetwork.py
@@ -1269,4 +1269,11 @@ def get_all_scada_info(name: str) -> list[dict[str, Any]]:
 ############################################################
 # 39 users
 ############################################################
+def get_user_schema(name: str) -> dict[str, dict[str, Any]]:
+    return api.get_user_schema(name)
 
+def get_user(name: str, user_name: str) -> dict[str, Any]:
+    return api.get_user(name, user_name=user_name)
+
+def get_all_users(name: str) -> list[dict[str, Any]]:
+    return api.get_all_users(name)