I'm trying to create the simplest block module possible. For the start, I want it to be visible on admin blocks page.

I've read few articles and browsed drupal block API and here is my code:

function module_block($op = 'list', $delta = 0, $edit = array()){
        case 'list':
            $blocks["delta"] = array(
                'info' => t('Admin title on list')
            return $blocks;
        case 'view':
                $block['subject'] = t('Default title');
                $block['content'] = module_get_html_function();
            return $block;      

This code is placed in my custom drupal module in sites/default/modules and it's enabled on admin modules page. Here's what i've done:

Save module file -> Clear cache -> Enable module -> Clear cache

But! I'm not able to see this Admin title on list block on my admin blocks page. Can you tell me what am i doing wrong ?

Any help would be appreciated

  • Is your custom modul really named "modul" or isn't this your actual code?
    – Berdir
    Commented Dec 30, 2011 at 14:13
  • no, my custom module is named vegspot. Does block module function needs to have vegspot_ prefix than ?
    – bajki
    Commented Dec 30, 2011 at 14:19
  • ok the problem was with function name, it should be modulename_block(), not anything_block() :) You've pointed this out, if you'll post an answer, i'll mark it as 'accepted'
    – bajki
    Commented Dec 30, 2011 at 14:31

1 Answer 1


Just like any hook implementation, hook_block() needs to be prefixed with the name of your module instead of module_. That's how Drupal finds them, by looping over every enabled module and checking if a corresponding function exists.

While not technically required, it is also strongly recommended to prefix all other functions of your module with the module name to prevent conflicts with other modules.

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