fillType = "linear";
colors = [0xF83680, 0x5844EA];
alphas = [100, 100];
ratios = [0, 255];
matrix = {matrixType:"box", x:50, y:50, w:150, h:100, r:0/180*Math.PI};
_root.lineStyle(1, 0x000000, 100);
_root.beginGradientFill(fillType, colors, alphas, ratios, matrix);
_root.moveTo(50, 50);
_root.lineTo(200, 50);
_root.lineTo(200, 150);
_root.lineTo(50, 150);
_root.lineTo(50, 50);
_root.endFill();