Dear Learner,

Hope you are doing great.

For running custom interceptor you can use the same command that you use for simple implicit twitter agent.
Just Place your Interceptor JAR file in @FLUME_HOME/lib directory.

flume-ng agent --conf conf --conf-file conf/twitter1.conf --name TwitterAgent 

Please try at your end and let us know if you have any issue so we can help you out.