# Path specification (P-CHAN-00401)

P-CHAN-00401 | Path specification to NC programs
Description | This parameter defines the path to the NC programs. The CNC employs this path to open an NC program.
Parameter | path[i].dir
Data type | STRING
Data range | Maximum 256 characters (application-specific)
Dimension | ----
Default value | *
Remarks | This parameter is only available as of CNC Build V3.1.3052.05 and higher. * Note: The default value of variables is a blank string.