[Rd] how to use debug.mypkg

[cstrato]

Dear all,

The package "affy" has the following statement in file "AffyBatch.R":
if (debug.affy123) cat("-->initAffyBatch\n")

This is great and I would also like to use it. However, when I run my 
package
I get the following error:
Error in .local(object, ...) : object "debug.mypkg" not found

Since I am not able to find the position where "affy" defines 
"debug.affy123"
my question is: where do I need to  define "debug.mypkg"?

Thank you in advance
Best regards
Christian
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