no basic launch

gistfile1.txt

launch:
    parameters:
        appPrefix:
            description: Web application prefix (edited)x
            default: myApp
        accessKey:
            description: AWS Access Key
        secretKey:
            description: AWS Secret Key
    steps:
        - provisionVirtualMachine:
            action: provisionAmazonVm
            parameters:
                roleName: web
                jcloudsIdentity: test 
                jcloudsCredential: test