# Setting the SOAP version

When generating WSDL in a JAX-WS project, you can use either SOAP 1.1 or SOAP 1.2.

To choose the version of SOAP that you want:

1. Select Window > Preferences from the menu bar.
2. In the Preferences window, select SOA Tools > JAX-WS .
3. Select either Apache CXF or JAX-WS RI, depending on which runtime you are using.
4. In the WSDL Generation Options section, select either SOAP 1.1 or SOAP 1.2.