1- Enter the "Drop-down Lists" from the configuration button.
2- Scroll to the "Document Control" module.
3- Click on "Type of Document", here you will see a list of all types of documents that are currently registered, you can delete them and enter each one to see their information or edit it.
4- To add a new one click on "New"
5- Enter the new document type and click on "Save".
Note: The type of documents will appear on the screen to add new documents.