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If you don't feel like reading that, simply do an svn checkout of checkout the basicmodule at http://svn.openmrs.orggithub.com/OpenMRS/openmrs-module-modules/basicmodule/trunk using Maven..git following the steps described here
You can find and check out a lot of examples from svn: Git Hub at http://svn.openmrs.orggithub.com/OpenMRS/openmrs-module-modules/devexamplesdevexamples.git following the steps described here
For a more detailed introduction, download the EHSDI Training Course. Module development is covered in lectures 8 and 9 of course EH204 OpenMRS Development.
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