Solved Creating a link to a css file in a module

I have modified Just Carmens 'Simple Footer' module to suit a footer I have created for my site and those of a colleague.. Currently the module has no link to a css file within the modules folders eg resources/css/alm-footer.css

How do I add such a link within the module.php file??

Thanks in advance..
 

use something like 

$this->assetUrl('css/my.css')

where my.css is in <your-module>/resources/css

put that into the function:
    public function stylesheets(): array
    {
        return [
            $this->assetUrl('css/my.css'),

        ];
    }

RickM wrote:

I have modified Just Carmens 'Simple Footer' module to suit a footer I have created for my site and those of a colleague.. Currently the module has no link to a css file within the modules folders eg resources/css/alm-footer.css

How do I add such a link within the module.php file??

 

You need to take several steps. Maybe, it helps to have a look at an existing custom module :

1. Let the class implement the ModuleGlobalInterface
2. Add a method to return the ressources folder , where you put your css file
3. Add a  method to include the css within the head of the html page

Thanks to both Franz & Jefferson49 for your input.

I have had errors using each suggestion, however I will continue to 'fiddle' and learn/understand things better..

Should I find myself not getting anywhere I will come back for more advise..

Many Thanks..

Addendum: After rechecking code etc, I find the error in my ways.. Appears to be working using Jefferson49's solution..
 

For a default implementation of the methods of the ModuleGlobalInterface, you might need to include the corresponding trait, e.g.

use ModuleGlobalTrait;

Thanks Jefferson49, I did add that along the way, but the implementation was not complete..

Many Thanks to you and Franz..

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