The last thing we need todo before we can try out our nifty fuzzer is to configure a Publisher. Publishers are I/O connectors that implement the plumbing between actions like output, input, and call. For our file fuzzer we will use the Publisher called File. This publisher will allow us to write out a file.

Configuring our publisher is easy, just locate the following XML near the bottom of the png.xml file, it will be a child of Test.

Now, this publisher takes a single parameter called FileName that will contain the file name of the fuzzed file.

We will need to configure a way to detect when our target crashes. We will also want to collect some information like a stack trace to look at later on. Head to the next section to learn how to configure an agent and monitor.

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