blockMetadata('params_json', $block) - as a list of keys-values: $this->blockMetadata('params_key_value', $block) - as a list of two-values arrays: $this->blockMetadata('params_key_value_array', $block) - a specific key of the list of keys-values: $this->blockMetadata('my_key', $block) Warning: check security of any user input. */ $plugins = $this->getHelperPluginManager(); $escape = $plugins->get('escapeHtml'); ?>