C_I 4.1.8 View_cell parameter not working

What's up guys

I have this issue facing now on my project as follows :

I call up my view_cell somewhere;

PHP Code:

  <?= view_cell('\App\Libraries\Blog::recentPosts', 'slug=BlogModel, limit=5') ?>

and this is a Libraries for

Code:

class blog

and

Code:

medhod recentPosts

PHP Code:

<?php namespace App\Libraries;

use Admin\Models\BlogModel;

class Blog{
public function recentPosts (string $slug, int $limit)
{
  $model = new BlogModel();

    $posts = $this->BlogModel->where('slug', $slug)
                            ->orderBy('title', 'desc')
                            ->limit($limit)
                            ->get();

    return view('\Admin\Views\Widgets\recentPosts', ['posts' => $posts]);
}
} 


The last my widget to fetch data;

PHP Code:

</php Admin\Views\Widgets\recentPosts ?>

Then I get this exception
Why?

Undefined property: App\Libraries\Blog::$BlogModel search →

APPPATH\Libraries\Blog.php at line 10

Code:

APPPATH\Libraries\Blog.PHP at line 10

3 use Admin\Models\BlogModel;
4
5 class Blog{
6 public function recentPosts (string $slug, int $limit)
7 {
8    $model = new BlogModel();
9
10    $posts = $this->BlogModel->where('slug', $slug)
11                              ->orderBy('title', 'desc')
12                              ->limit($limit)
13                              ->get();
14
15    return view('\Admin\Views\Widgets\recentPosts', ['posts' => $posts]);
16 }
17 }

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