DSNT474I   READING count, varname, datatype, data sharing scope, minval, maxval, currentval

The values are being read from the parameter member. The count, the variable name, the data type, the data sharing scope, the minimum value, the maximum value, and the current value are shown. This message occurs when the CONTROL keyword requests a trace.

This message is issued by the following installation CLIST: DSNTINST