Is there a slope on the concrete windowsill?

Window sill: 1, indoors, there is generally no slope in the south direction, and there is a slope in the north direction to prevent ice from freezing and dew from flowing out with hot water; 2, outdoor, slope, to prevent rainwater from flowing into or leaking into the room. Generally speaking, details will be given in the construction drawing. If not, check the architectural structure atlas. There is no specific requirement for slope.