API Reference > frontend-devTools > Tools > MapBaseTransparencyTool > run run Method This method runs the tool, changing the transparency of the base map. run(transparency: number): boolean Parameter Type Description transparency number a numeric value in range 0.0 to 1.0 whether 0.0 means fully opaque and 1.0 means fully transparent Returns - boolean Defined in frontend-devtools/src/tools/MapLayerTool.ts Line 451 Last Updated: 12 June, 2024