Add to errors array in frontController

[f8dev]

Hi,

 

I have added my own errror message in front using cookies

 

$this->context->cookie->__set('redirect_errors', Tools::displayError('You must be registered and logged in as a trade customer.'));

 

but I would like to know instead of doing it this way I want to add this to the errors array. I have tried the following.

 

$this->context->errors[] = Tools::displayError('message goes here!');

 

Tools::redirect('index.php?controller=authentication?back=my-account');