Class Create

    sessCfg: ISession = yourFunctionToCreateSessCfgFromArgs(commandParameters.arguments);
    sessCfgWithCreds = await ConnectionPropsForSessCfg.addPropsOrPrompt<ISession>(
        sessCfg, commandParameters.arguments
    );
    session = new Session(sessCfgWithCreds);

    // The option keys are defined in ZosFilesCreateOptions,
    // ZosFilesCreateExtraOptions and VsamCreateOptions.
    //
    const createVsamOptions: Partial<ICreateVsamOptions> = {
        dsorg: "INDEXED",
        size: "640KB",
        secondary: 64
        showAttributes: true
    }));

    try {
        createResponse = await Create.vsam(
            session, "SOME.DATASET.NAME", createVsamOptions
        );
    }
    catch (impErr) {
        // handle any error
    }

    // use the results in createResponse.commandResponse