How to read the counter input edge source

DAQmxCreateCICountEdgesChan(taskHandle1,"Dev1/ctr0","",DAQmx_Val_Rising,0,DAQmx_Val_CountUp);

DAQmxReadCounterScalarU32(taskHandle1, 10.0, &data12, NULL);

with above two line we can read the counter input but by defaoult it uses PFI0 edge sorce if i want to read it with to PFI1 how can I do it please help. Thanks in Advance