+ Solid, thin arrow representation
+ Attribute "Name" shown below or to the left of the center of the connector, based on the value of the attribute "Orientation"

GRAPHREP
SHADOW off
PEN style:solid w:0.05cm
EDGE

START

MIDDLE
ATTR "Name" x:0cm y:-0.6cm w:c

END
LINE x1:0.1cm y1:0.0cm x2:-0.2cm y2:0.1cm
LINE x1:0.1cm y1:0.0cm x2:-0.2cm y2:-0.1cm