This includes any forms that are default in the Drupal theme, such as the settings form found under Appearance->Theme->Settings. php function osuosl_form_system_theme_settings_alter ( & $form , $form_state ){ $form [ 'theme_settings' ][ 'logo' ] = array (); $form [ 'theme_settings' ][ 'site_name' ] = array (); } ?> php function osuosl_form_system_theme_settings_alter ( & $form , $form_state ){ $form [ 'theme_settings' ][ 'logo' ] = array ( '#type' => 'managed_file' , '#title' => t( 'logo' ), '#required' => TRUE , '#default_value' => theme_get_setting( 'logo' ), '#upload_validators' => array ( 'file_validate_extensions' => array ( 'git png jpg jpeg' ) ) ); $form [ 'theme_settings' ][ 'site_name' ] = array ( '#type' => 'textfield' , '#title' => t( 'site_name' ), '#default_value' =>…