r.spreadpath
Recursively traces the least cost path backwards to cells from which the cumulative cost was determined.
Raster (r.*)
QgsProcessingParameterRasterLayer|x_input|x_input|None|False
QgsProcessingParameterRasterLayer|y_input|y_input|None|False
QgsProcessingParameterPoint|coordinates|coordinate|0,0|True
QgsProcessingParameterRasterDestination|output|Backward least cost