add_table_to_graph tabname:=tblName;  // add a table to active graph, table name stored in tblName variable
range col1 = [tblName$]1!col(1);  // range of the first column in the table
// fill values to this column
col1[1] = 1;
col1[2] = 2;
col1[3] = 3;
doc -u;  // refresh the window