[#38] Fixed extension invariants in observation.fsh

input/fsh/structuredefinition/observation.fsh

@@ -82,20 +82,20 @@ Severity: #error
 
 Invariant: mtp-ref-conformant
 Description: "A changed MedicationStatement SHALL conform to CHEMEDEPRChangedMedicationStatement"
-Expression: "extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed').exists() implies extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed').valueIdentifier.value.resolve().conformsTo('https://fhir.cara.ch/StructureDefinition/ch-emed-epr-medicationstatement-changed')"
+Expression: "extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed').exists() implies extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed').extension.where(url='id').value.resolve().conformsTo('https://fhir.cara.ch/StructureDefinition/ch-emed-epr-medicationstatement-changed')"
 Severity: #error
 
 Invariant: pre-ref-conformant
 Description: "A changed MedicationRequest SHALL conform to CHEMEDEPRChangedMedicationRequest"
-Expression: "extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationrequest-changed').exists() implies extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationrequest-changed').valueIdentifier.value.resolve().conformsTo('https://fhir.cara.ch/StructureDefinition/ch-emed-epr-medicationrequest-changed')"
+Expression: "extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationrequest-changed').exists() implies extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationrequest-changed').extension.where(url='id').value.resolve().conformsTo('https://fhir.cara.ch/StructureDefinition/ch-emed-epr-medicationrequest-changed')"
 Severity: #error
 
 Invariant: mtp-same-id
 Description: "A changed MedicationStatement SHALL keep the same identifier"
-Expression: "extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed').exists() implies extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed').valueIdentifier.value.resolve().identifier.where(system='urn:ietf:rfc:3986').value = extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-treatmentplan').extension.where(url='id').valueIdentifier.value"
+Expression: "extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed').exists() implies extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed').extension.where(url='id').value.resolve().identifier.where(system='urn:ietf:rfc:3986').value = extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-treatmentplan').extension.where(url='id').value"
 Severity: #error
 
 Invariant: pre-same-id
 Description: "A changed MedicationRequest SHALL keep the same identifier"
-Expression: "extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationrequest-changed').exists() implies extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationrequest-changed').valueIdentifier.value.resolve().identifier.where(system='urn:ietf:rfc:3986').value = extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-prescription').extension.where(url='id').valueIdentifier.value"
+Expression: "extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationrequest-changed').exists() implies extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationrequest-changed').extension.where(url='id').value.resolve().identifier.where(system='urn:ietf:rfc:3986').value = extension.where(url='http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-prescription').extension.where(url='id').value"
 Severity: #error