### Environment 1. `node -v`: [fill] 1. `npm -v`: [fill] 1. `npm ls officegen`: [fill] 1. Operating system: [fill] 1. Microsoft Office version: [fill] 1. Problem with Powerpoint, Excel or Word document: [fill] ### Steps to Reproduce [fill] ### Expected Behavior [fill] ### Actual Behavior [fill] --- An example code will be the best. The fastest (and the most fun) way to resolve the issue is to submit a pull-request yourself.