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The rest of this document is a step-by-step guide to writing a performer. Performers are typically written in Scala but can include Java functionality.

Prerequisites - Ability to program in Scala  and familiarity with SBT.  If you have programmed in Python, Java or other object oriented languages you will be able to follow the guide without any difficulty.

Step-by-step guide

1. These steps build upon one another so don't skip a step.

2. Install Scala version 2.11.4 or higher on your development environment

   Code Block
   language bash title Verify that Scala is installed correctly
   $ scala -version Scala code runner version 2.11.4 -- Copyright 2002-2013, LAMP/EPFL

3. Choose the dev option that best suits you
   1. install Jetbrains Intellij community edition (free)
   2. or install Eclipse (free) 
   3. or use a text editor and command line tools.
4. To verify you have installed Scala and your IDE correctly write and run a basic hello world Scala program
5. Clone the Performers directory in the Apache iota repository

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