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Lists all virtual channels you create and save using the DAQ Assistant. Select Browse to select multiple channels. Right-click the constant and select I/O Name Filtering from the shortcut menu to limit the channels that the constant displays and to limit what you can enter in the constant.
If you right-click this constant and create a Property Node, the Property Node is for the constant itself and is not a DAQmx Channel Property Node.
You can launch the DAQ Assistant from the DAQmx global channel constant to create a new virtual channel or to edit a saved virtual channel.
You can use the DAQmx global channel constant to generate code for global channels.