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Environment variables let you use the Net.Data ENVVAR language construct to reference environment variables that exist in the process under which Net.Data is running.
Example 1: A variable is assigned the value of an environment variable
%define SERVER_NAME=%ENVVAR ... The server is $(SERVER_NAME)
The environment variable SERVER_NAME has the value of the current server name, which, in this example, is www.software.ibm.com.
The server is www.software.ibm.com
See ENVVAR Statement for more information about the ENVVAR statement.