Documentation is very sparse.

1. Install selenium IDE.
2. Goto <webroot>/IDE-formats and open BR3-java.txt or BR3-php.txt in a text-editor. Copy everything (ctrl-a, ctrl-c).
3. Open selenium IDE.
4. Select options → options
5. Select Formats → Add
6. Type in a name, eg. BR3 java or BR3 php
7. Overwrite everything (ctrl-a, ctrl-v)
8. Click OK

1. Record a test, just as you would normally
2. Select file \→ export test case as \→ BR3 java or BR3 php
3. Save the file somewhere

If you've just exported as java you need to compile the test into an executable .jar file before uploading.

Basically you need to

1. Add the 4 jars found under <webroot>/app/webroot/testscripts/Google sample/jar/lib as libraries
2. Create a class with your code and set it as the main class
3. Compile

Check Compiling a java script for Bromine in netbeans for more details if above wasn't sufficient.

1. Login to Bromine
2. Go to planning
3. Click a testcase
4. Click edit
5. Click upload testscript
6. Select the file
7. Click submit