The command runcmd executes a command file. The first parameter is the name of the macro file. Macros are first searched from the path defined by the environment variable NDA_MACRO_PATH and then from the current directory.
You can pass arguments to the macros of your own. They should be given in blanco delimitted after the macro name. To use these arguments in the macro, the first argument is marked as $1, the second $2 and so on.