Hi Thanks for all the responses. As always, there is more than one way to do it.
Looks like OpenID Connect may be simpler. We've already got some OAuth code in use for external application interfaces. Best regards Keith White Synergist Express Ltd, UK. 4697775 ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************