Solved
Call data from a feature layer of ArcGIS online (just the data table) to APPIAN,
i want to call data from a feature layer of ArcGIS online (just the data table) to APPIAN,
Fist I have created the OAuth 2.0 Credentials in ArcGIS for developers, then I'm trying to create a connected system in APPIAN to call that data, this are the parameter i have added:
- Authentication: OAuth 2.0 Authorization code grant
- Authorization Endpoint: www.arcgis.com/.../authorize
- Client ID: X6nKvzhPa57iYtDy
- Client Secret: ••••••••••••••••••••••••••••••••
- Token Request Endpoint: www.arcgis.com/.../
i test the connected system, but show me this error (image bellow)

Help please.......
