rvm attributes?

gistfile1.txt

override_attributes "rvm" => {
    "user_default_ruby" => "ruby-1.9.3",
    "rvmrc" => {
        'rvm_project_rvmrc_default' => 1,
        'rvm_gemset_create_on_use_flag' => 1,
        'rvm_trust_rvmrcs_flag' => 1,
        'rvm_install_on_use_flag' => 1,
        'rvm_make_flags' => "-j 3"
    },
    "user_gems" => {
        'ruby-1.9.3@chef' => [ { 'name' => 'chef'}, {'name' => 'rake' }, {'name' => 'bundler'}, {'name' => 'knife-ec2'}]
    }
}