How to set minimum order value in opencart?

If you want to set minimum cart order total before anyone can make the checkout.

Please follow the below instructions.

Step 1 : Please open the file path catalog/controller/checkout/checkout.php

Step 2 :  Add this line in your checkout.php controller file.

// To set a mimimum shopping cart value of $1000
if ($this->cart->getSubtotal() > 1000){
$this->session->data['error'] = 'Please note: there is a minimum shopping cart value of 1000 before shipping and tax for you to proceed to checkout.';
$this->response->redirect($this->url->link('checkout/cart'));
}

   
After the below code

if ((!$this->cart->hasProducts() && empty($this->session->data['vouchers'])) || (!$this->cart->hasStock() && !$this->config->get('config_stock_checkout'))) {
     $this->response->redirect($this->url->link('checkout/cart'));
}

Thats it.