r.contour
r.contour.level - Create vector contour from raster at specified levels
Raster (r.*)
QgsProcessingParameterRasterLayer|input|Input raster|None|False
QgsProcessingParameterString|levels|List of contour levels|None|False
QgsProcessingParameterNumber|cut|Minimum number of points for a contour line (0 -> no limit)|QgsProcessingParameterNumber.Integer|0|True|0|None
QgsProcessingParameterVectorDestination|output|Contours