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Introduction

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After successful authorization, retrieve the resulting SMART FHIR client. The current user's fully qualified FHIR URL is on the FHIR client at userId. 

Ex: https://sandboxopen-api.hspconsortium.org/dstu2/open-hspc-reference-api/data/Practitioner/COREPRACTITIONER1

var currentUserFhirUrl;
 
FHIR.oauth2.ready(function(fhirClient){
	currentUserFhirUrl = fhirClient.userId;
});

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