This is the Command line to Execute from Terminal on macOS:
sudo dseditgroup -o edit -a userToAdd -t user holdingGroup
$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }
This is the Command line to Execute from Terminal on macOS:
sudo dseditgroup -o edit -a userToAdd -t user holdingGroup