Yes that’s right. But it doesn’t work …
with what needs to be heard here?
<?php
$ad_args = array(
'post_type' => '3d_drucker',
'orderby' => 'rand',
'meta_query' => array(
array(
'key' => '3ddruck-verfahren',
'value' => 'SLS',
)
)
);
// query
$ad_query = new WP_Query($ad_args);
?>