diff --git a/internal/app/handlers.go b/internal/app/handlers.go
index ac52639..77c6f20 100644
--- a/internal/app/handlers.go
+++ b/internal/app/handlers.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"net/http"
 	"strconv"
+	"task_manager/internal/domain/project"
 	"task_manager/internal/domain/tasks"
 	"task_manager/internal/domain/users"
 	"task_manager/internal/persistance"
@@ -118,10 +119,8 @@ func (rm *TaskManager) handleUserProjects(w http.ResponseWriter, r *http.Request
 	respondWithJSON(w, http.StatusOK, projects)
 }
 func (rm *TaskManager) handleAssignUserToProject(w http.ResponseWriter, r *http.Request) {
-	var input struct {
-		IdUser    int `json:"id_user"`
-		IdProject int `json:"id_project"`
-	}
+
+	var input project.UserProjectLink
 
 	err := json.NewDecoder(r.Body).Decode(&input)
 	if err != nil {
@@ -131,6 +130,11 @@ func (rm *TaskManager) handleAssignUserToProject(w http.ResponseWriter, r *http.
 
 	// Заглушка: реализация привязки пользователя к проекту
 	// Для добавления необходимо доработать метод в репозитории
+	err = rm.repo.AssignProject(&input)
+	if err != nil {
+		respondWithError(w, http.StatusBadRequest, "Faild to assign project", err)
+		return
+	}
 
 	respondWithJSON(w, http.StatusOK, map[string]string{
 		"message": "User assigned to project successfully",
diff --git a/internal/domain/project/project.go b/internal/domain/project/project.go
index 364b552..6b23904 100644
--- a/internal/domain/project/project.go
+++ b/internal/domain/project/project.go
@@ -9,3 +9,9 @@ type Project struct {
 	Date        string `json:"date"`
 	Sprints     []sprint.Sprint
 }
+
+type UserProjectLink struct {
+	Id        int `json:"id"`
+	IdUser    int `json:"id_user"`
+	IdProject int `json:"id_project"`
+}
diff --git a/internal/persistance/project_repository.go b/internal/persistance/project_repository.go
index bfd16e2..b1cd37f 100644
--- a/internal/persistance/project_repository.go
+++ b/internal/persistance/project_repository.go
@@ -6,7 +6,7 @@ import (
 	_ "github.com/lib/pq"
 )
 
-func (tm *TaskManagerRepository) AddProject(newProject *project.Project) error {
+func (tm *TaskManagerRepository) AddProject(newProject *project.UserProjectLink) error {
 	err := tm.db.QueryRow(`INSERT INTO task_manager.project(name,description)
 	VALUES ($1,$2)
 	RETURNING id
@@ -26,6 +26,16 @@ func (tm *TaskManagerRepository) DeleteProject(project *project.Project) error {
 	return nil
 }
 
-func (tm *TaskManagerRepository) GetProjects() ([]project.Project, error) {
-	return nil, nil
+func (tm *TaskManagerRepository) AssignProject(link *project.UserProjectLink) error {
+
+	err := tm.db.QueryRow(`INSERT INTO task_manager.user_project(users,projects)
+	VALUES ($1,$2)
+	RETURNING id
+	`, link.IdUser, link.IdProject).Scan(&link.Id)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
 }