How to create the Hello World Mashup using WSO2 Mashup Server

Download and install WSO2 Mashup server. More details available here

Login to admin colsol using the following credentials

username: admin
password: admin

Click create under Javascript Service
Give the mashup name as firstmashup and click next

I used the follwing output

return "Hi, my name is Achala";

Then click save changes.