diff --git a/README.md b/README.md
index 78d6806..1590840 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+[![ReadMeSupportPalestine](https://raw.githubusercontent.com/Safouene1/support-palestine-banner/master/banner-support.svg)](https://sahem.ksrelief.org/Pages/ProgramDetails/1ca8852b-9e6d-ee11-b83f-005056ac5498)
 # laravel-permission-mongodb
 
 [![Latest Version on Packagist][ico-version]][link-releases]
@@ -9,6 +10,7 @@
 [![StyleCI][ico-styleci]][link-styleci]
 [![Coverage Status][ico-coveralls]][link-coveralls]
 [![Total Downloads][ico-downloads]][link-packagist]
+[![StandWithPalestine](https://raw.githubusercontent.com/Safouene1/support-palestine-banner/master/StandWithPalestine.svg)](https://sahem.ksrelief.org/Pages/ProgramDetails/1ca8852b-9e6d-ee11-b83f-005056ac5498)
 
 This package allows you to manage user permissions and roles in a database.
 It is inspired from [laravel-permission][link-laravel-permission]. Same code same every thing but it is compatible with [laravel-mongodb][link-laravel-mongodb]
@@ -156,6 +158,25 @@ return [
         'permissions' => 'permissions',
     ],
 
+    'user_props_names' => [
+
+        /*
+         * When using the "HasRoles" trait from this package, we need to know which
+         *Users table property should be used to retrieve their roles. We chose a basic
+         * default value, but you can easily change it to any property you want.
+         */
+
+        'roles' => 'roles_id',
+
+        /*
+         * When using the "HasRoles" trait from this package, we need to know which
+         *Users table property should be used to retrieve their roles. We chose a basic
+         * default value, but you can easily change it to any property you want.
+         */
+
+        'permissions' => 'permissions_id',
+    ],
+
     /*
      * By default all permissions will be cached for 24 hours unless a permission or
      * role is updated. Then the cache will be flushed immediately.
diff --git a/config/permission.php b/config/permission.php
index 6f79028..dcfba7b 100644
--- a/config/permission.php
+++ b/config/permission.php
@@ -47,6 +47,25 @@
         'permissions' => 'permissions',
     ],
 
+    'user_props_names' => [
+
+        /*
+         * When using the "HasRoles" trait from this package, we need to know which
+         *Users table property should be used to retrieve their roles. We chose a basic
+         * default value, but you can easily change it to any property you want.
+         */
+
+        'roles' => 'roles_id',
+
+        /*
+         * When using the "HasRoles" trait from this package, we need to know which
+         *Users table property should be used to retrieve their roles. We chose a basic
+         * default value, but you can easily change it to any property you want.
+         */
+
+        'permissions' => 'permissions_id',
+    ],
+
     /*
      * By default all permissions will be cached for 24 hours unless a permission or
      * role is updated. Then the cache will be flushed immediately.
diff --git a/src/Models/Permission.php b/src/Models/Permission.php
index b23f4dd..f0b1b1a 100644
--- a/src/Models/Permission.php
+++ b/src/Models/Permission.php
@@ -103,7 +103,7 @@ public static function findOrCreate(string $name, string $guardName = null): Per
     public function rolesQuery(): mixed
     {
         $roleClass = $this->getRoleClass();
-        return $roleClass->query()->where('permission_ids', 'all', [$this->_id]);
+        return $roleClass->query()->where(config('permission.user_props_names.permissions'), 'all', [$this->_id]);
     }
 
     /**
@@ -122,7 +122,7 @@ public function getRolesAttribute(): mixed
     public function usersQuery(): mixed
     {
         $usersClass = app($this->helpers->getModelForGuard($this->attributes['guard_name']));
-        return $usersClass->query()->where('permission_ids', 'all', [$this->_id]);
+        return $usersClass->query()->where(config('permission.user_props_names.permissions'), 'all', [$this->_id]);
     }
 
     /**
diff --git a/src/Models/Role.php b/src/Models/Role.php
index ac1c76e..e26b97c 100644
--- a/src/Models/Role.php
+++ b/src/Models/Role.php
@@ -129,7 +129,7 @@ public static function findByName(string $name, string $guardName = null): RoleI
     public function usersQuery(): mixed
     {
         $usersClass = app($this->helpers->getModelForGuard($this->attributes['guard_name']));
-        return $usersClass->query()->where('role_ids', 'all', [$this->_id]);
+        return $usersClass->query()->where(config('permission.user_props_names.roles'), 'all', [$this->_id]);
     }
 
     /**
@@ -164,6 +164,6 @@ public function hasPermissionTo(string|PermissionInterface $permission): bool
             throw new GuardDoesNotMatch($this->helpers->getGuardDoesNotMatchMessage($expected, $given));
         }
 
-        return in_array($permission->_id, $this->permission_ids ?? [], true);
+        return in_array($permission->_id, $this->getAttribute(config('permission.user_props_names.permissions')) ?? [], true);
     }
 }
diff --git a/src/Traits/HasPermissions.php b/src/Traits/HasPermissions.php
index a373f5d..2c39ac5 100644
--- a/src/Traits/HasPermissions.php
+++ b/src/Traits/HasPermissions.php
@@ -38,7 +38,7 @@ public function getPermissionClass()
     public function permissionsQuery()
     {
         $permission = $this->getPermissionClass();
-        return $permission::whereIn('_id', $this->permission_ids ?? []);
+        return $permission::whereIn('_id', $this->getAttribute(config('permission.user_props_names.permissions')) ?? []);
     }
 
     /**
@@ -59,9 +59,9 @@ public function getPermissionsAttribute()
      */
     public function givePermissionTo(...$permissions): self
     {
-        $this->permission_ids = collect($this->permission_ids ?? [])
+        $this->setAttribute(config('permission.user_props_names.permissions'), collect($this->getAttribute(config('permission.user_props_names.permissions')) ?? [])
             ->merge($this->getPermissionIds($permissions))
-            ->all();
+            ->all());
 
         $this->save();
 
@@ -80,7 +80,7 @@ public function givePermissionTo(...$permissions): self
      */
     public function syncPermissions(...$permissions): self
     {
-        $this->permission_ids = $this->getPermissionIds($permissions);
+        $this->setAttribute(config('permission.user_props_names.permissions'), $this->getPermissionIds($permissions));
 
         $this->save();
         return $this->givePermissionTo($permissions);
@@ -98,11 +98,11 @@ public function revokePermissionTo(...$permissions): self
     {
         $permissions = $this->getPermissionIds($permissions);
 
-        $this->permission_ids = collect($this->permission_ids ?? [])
+        $this->$this->setAttribute(config('permission.user_props_names.permissions'), collect($this->getAttribute(config('permission.user_props_names.permissions')) ?? [])
             ->filter(function ($permission) use ($permissions) {
                 return ! in_array($permission, $permissions, true);
             })
-            ->all();
+            ->all());
 
         $this->save();
 
@@ -206,7 +206,7 @@ public function getPermissionNames(): Collection
      */
     public function getPermissionsViaRoles(): Collection
     {
-        $permissionIds = $this->roles->pluck('permission_ids')->flatten()->unique()->values();
+        $permissionIds = $this->roles->pluck(config('permission.user_props_names.permissions'))->flatten()->unique()->values();
         return $this->getPermissionClass()->query()->whereIn('_id', $permissionIds)->get();
         /*return $this->load('roles', 'roles.permissions')
             ->roles->flatMap(function (Role $role) {
@@ -345,8 +345,8 @@ public function scopePermission(Builder $query, $permissions): Builder
         }
         $roles = $roles->unique();
 
-        return $query->orWhereIn('permission_ids', $permissions->pluck('_id'))
-            ->orWhereIn('role_ids', $roles->pluck('_id'));
+        return $query->orWhereIn(config('permission.user_props_names.permissions'), $permissions->pluck('_id'))
+            ->orWhereIn(config('permission.user_props_names.roles'), $roles->pluck('_id'));
     }
 
     /**
diff --git a/src/Traits/HasRoles.php b/src/Traits/HasRoles.php
index dfb0421..63369d8 100644
--- a/src/Traits/HasRoles.php
+++ b/src/Traits/HasRoles.php
@@ -61,7 +61,7 @@ public function scopeRole(Builder $query, $roles): Builder
     {
         $roles = $this->convertToRoleModels($roles);
 
-        return $query->whereIn('role_ids', $roles->pluck('_id'));
+        return $query->whereIn(config('permission.user_props_names.roles'), $roles->pluck('_id'));
     }
 
     /**