I need to programatically set the visibility of a block. I've loaded the block, and I know I need to use the Block::setVisibilityConfig method, but I don't know what the $instance_id variable is.

Does anyone know what to pass here to the function?

  • It's documented. You pass an instance of a visibility condition object (which implements ConditionInterface)
    – Clive
    Commented Sep 1, 2016 at 11:33
  • Hi @Clive, thanks for your reply, but I don't understand it. I have the following code: use Drupal\block\Entity\Block; $block = Block::load('sitebranding'); $block->setRegion('content'); $block->save(); What can I add to call that function?
    – jmzea
    Commented Sep 1, 2016 at 14:40

1 Answer 1


I got it. Example:

use Drupal\block\Entity\Block;

function mytheme_preprocess_html(&$variables)
    $block = Block::load('sitebranding');

    $visibility = $block->getVisibility();

    if (isset($visibility['request_path']['pages']))
       $visibility['request_path']['negate'] = 0; 
       // $visibility['request_path']['pages'] = '/node/2';
       $visibility['request_path']['pages'] = \Drupal::config('mymodule.settings')->get('services_block_path_visibility');
       $block->setVisibilityConfig('request_path', $visibility['request_path']);

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