> For the complete documentation index, see [llms.txt](https://devdocs.olisystems.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://devdocs.olisystems.com/group2/uploading-oli-files/creating-a-process-api-package.md).

# Creating a Process API package

The Process API package needed to run a process using the API is created using OLI Flowsheet :ESP, the following steps explain how to create the package file.

1. Launch OLI Flowsheet: ESP and open the desired case file
2. Ensure the case file runs and converges

   Note: Sensitivity Analysis and Optimizer are not currently supported using Process API, so ensure your case does not include these options.
3. From the "***File"*** menu select "***Export...***" 
4. Change the "Save as type" to "Process API pkg. Files (\*.pkg)

   ![](https://1307681981-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MK1GD7JkzSzCRydAEH3%2Fuploads%2Fu1A5nxfr6caZ2KTCJZrr%2Fimage.png?alt=media\&token=03ff024f-8588-4399-87fd-130bbe9864f5)
5. Now located the desired folder to save the package in and supply a file name