/* Generated by LabelConnector plugin - remove this comment if you don't want the plugin to override your custom label style*/
make_line( 
point_on_surface($geometry), 
make_point(
"auxiliary_storage_labeling_positionx" + 
CASE WHEN 
"auxiliary_storage_labeling_positionx" < x(point_on_surface($geometry)) 
THEN 
1 
ELSE 
-1 
END 
* distance(
point_on_surface($geometry), 
make_point("auxiliary_storage_labeling_positionx", "auxiliary_storage_labeling_positiony")
) / 2.0,

"auxiliary_storage_labeling_positiony"),

make_point("auxiliary_storage_labeling_positionx", "auxiliary_storage_labeling_positiony")
 )
/* End of generated expression */
