(1) Simply install the Forge component from ODC Forge
(2) Configure / set the secret value for DOCUPANDA_API_KEY
(3) Use the service action exposed in your application
Do note that if the textual content that is going to be extracted contains non-romanized characters (e.g. UTF-8), you should decode them before viewing them (or storing them). See the DocuPandaDemoMain.ProcessOnClick client action as an example.
You should also limit the end user access to DocuPandaDemoMain. It is just the demo part to show case the capability of this connector.