The Basecamp connector allows you to access the exposed Basecamp API through WSO2 EI. Basecamp is a Web-based project management tool.
Basecamp EI connector documentation v1.0.2
mvn clean install
You can create a third party connector and publish in WSO2 Connector Store.
https://docs.wso2.com/display/ESBCONNECTORS/Creating+and+Publishing+a+Third+Party+Connector