Sunshade assembly

A sunshade assembly comprising:

• a mounting seat;
• a reeling shaft that extends in an extending direction and that is rotatably mounted to said mounting seat;
• a foldable shade member that is connected to said reeling shaft and that has an expandable end section extending in the extending direction and spaced apart from said reeling shaft in a first transverse direction that is transverse to the extending direction, said expandable end section having two side portions that are spaced apart from each other in the extending direction, and a center portion that interconnects said side portions;
• a sidebar extending along the extending direction, and formed with a first receiving groove that extends through opposite ends of said sidebar in the extending direction and that is engaged with said center portion of said expandable end section of said shade member;
• two end components connected respectively to said opposite ends of said sidebar, each of said end components being formed with a second receiving groove that is in spatial communication with said first receiving groove and that is engaged with a respective one of said side portions of said expandable end section of said shade member;
• and
• wherein said sidebar is further formed with a main groove that extends through said opposite ends of said sidebar, each of said end components including an end segment that abuts against a respective one of said opposite ends of said sidebar, and an insert segment that projects from said end segment and that is inserted into said main groove.