RThey know if from appian I can send call a WC type WCF service, Try with the smart service of call webservice but it marks me an error that does not support it. Try the webservicequery function and it did not work for me.
Regards
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What errors are you getting with the Call Web Service node? There are some XSD constructs and some Web Services types that Appian does not support, so you might need to check if your service is using any of those, and modify it accordingly.