Here is the SQL dialog - works for both InfoWorks and SWMM Networks in ICM.
SET raingauge_id='RG';
SET catchment_slope=1;
SET infiltration="Curve_number"';
SET area=1;
SET Curve_number=oid;
SET percent_impervious=0;
SET storage_impervious=0.05;
SET storage_pervious=0.20;
SET width=100;
SET percent_routed=100;
SET roughness_impervious=0.013;
SET roughness_pervious=0.10;
SET hydraulic_length=100;
SET decay_factor=7;