How to use the @hapi/shot.inject function in @hapi/shot

Hoek.assert(!options.credentials, 'options.credentials no longer supported (use options.auth)');

        if (options.auth) {
            Hoek.assert(typeof options.auth === 'object', 'options.auth must be an object');
            Hoek.assert(options.auth.credentials, 'options.auth.credentials is missing');
            Hoek.assert(options.auth.strategy, 'options.auth.strategy is missing');
        }

        const needle = this._core._dispatch({
            auth: options.auth,
            allowInternals: options.allowInternals,
            app: options.app,
            plugins: options.plugins
        });

        const res = await Shot.inject(needle, settings);
        const custom = res.raw.res[Config.symbol];
        if (custom) {
            res.result = custom.result;
            res.request = custom.request;
            delete res.raw.res[Config.symbol];
        }

        if (res.result === undefined) {
            res.result = res.payload;
        }

        return res;
    }