Hello Team,
I am working with EdiTor in my application, I Took help from Groupdocs team for EdiTor with DOCX file and I got the code from the team, Code below.
[HttpPost]
[Route("api/GroupDocsApi/CreateEmptyWordFile")]…...follow a structure similar to the one you used for DOCX files. Below...example you already have for Word files, adapted for presentations...