Reference >> Digital Pattern >> Source

NI-DAQmx C Properties

Reference >> Digital Pattern >> Source

Data Type: char*
Description: Specifies the physical channels to use for pattern matching. The order of the physical channels determines the order of the pattern. If a port is included, the order of the physical channels within the port is in ascending order.

You can get/set/reset this property using:
  DAQmxGetDigPatternRefTrigSrc
  DAQmxSetDigPatternRefTrigSrc
  DAQmxResetDigPatternRefTrigSrc