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Step 2 - Setting Up the VMD File

Setting up an LLP Listener source component in Iguana is simple. All you need to do is specify a port number to listen on. However, setting up the other end of the channel, such as a To Database, To File or To LLP Client destination component, involves a little more effort.

Since you will performing routing and transformation functions, you need to create a VMD file that contains the following:

• New message profile;
• Message ID; and
• Transformation Script, containing Python code for the function you want to perform (in this case, you will be replacing the patient name with the string fff and removing the Z segments).

You will also:

• Test out your messages and enable the Scripted Transformation option in the Transformation window.

Testing out your messages in the Transformation window will confirm that your Python code works as it should. Testing your code is good practice, especially when it comes time to test it out in Iguana.

	Although this section gives a complete example of how to use Chameleon to set up a VMD file, it only demonstrates a fraction of the power provided by Chameleon to deal with incoming HL7 messages. To get a more complete picture of Chameleon's capabilities (and how you can use them) it is important to read through the entire Chameleon manual.