This plugin goal is to upload artifacts generated from non-maven projects to Sonatype Nexus. Used the REST API of the Nexus to upload a multi-part form POST to /service/local/artifact/maven/content.
Here are all the available form parameters can be passed
r : repository
e - extension
g - group id
a - artifact id
v - version
p - packaging
file - each file to be uploaded, use one file parameter per file.