API Reference > frontend-devTools > Tools > MaskBackgroundMapByExcludedElementTool > toolId toolId Static toolId: string = "MaskBackgroundMapByExcludedElement" The unique string that identifies this tool. This must be overridden in every subclass. Defined in frontend-devtools/src/tools/PlanarMaskTools.ts Line 211 Last Updated: 11 June, 2024