Analog Input >> General Properties >> Advanced >> Data Transfer and Memory >> Data Transfer Custom Threshold

NI-DAQmx C Properties

Analog Input >> General Properties >> Advanced >> Data Transfer and Memory >> Data Transfer Custom Threshold

Data Type: uInt32
Description: Specifies the number of samples that must be in the FIFO to transfer data from the device if Data Transfer Request Condition is DAQmx_Val_OnbrdMemCustomThreshold.

You can get/set/reset this property using:
  DAQmxGetAIDataXferCustomThreshold
  DAQmxSetAIDataXferCustomThreshold
  DAQmxResetAIDataXferCustomThreshold