diff --git a/input/fsh/models/SmartHealthLink.fsh b/input/fsh/models/SmartHealthLink.fsh
new file mode 100644
index 000000000..3c3717e12
--- /dev/null
+++ b/input/fsh/models/SmartHealthLink.fsh
@@ -0,0 +1,13 @@
+Logical: 	SmartHealthLink
+Title: 		"Smart Health Link (DRAFT)"
+Description:	"Smart Health Link URI (DRAFT)
+
+Logical Model to represent a SMART Health Link as its URI.  It is generated from the content of the SMART Health Link Payload.
+
+
+"
+
+* ^url = "http://smart.who.int/trust/StructureDefinition/SmartHealthLink"
+* ^version = "RC2"
+* ^status = #draft
+* u 1..1 string "URI" "URI of the Smart Health Link.  Should look like 'shlink:/eyJ1cmwiOiJodHRwczovL2Vo....' "
\ No newline at end of file
diff --git a/input/fsh/models/SmartHealthLinkPayload.fsh b/input/fsh/models/SmartHealthLinkPayload.fsh
new file mode 100644
index 000000000..a68c2f1f9
--- /dev/null
+++ b/input/fsh/models/SmartHealthLinkPayload.fsh
@@ -0,0 +1,24 @@
+Logical: 	SmartHealthLinkPayload
+Title: 		"Smart Health Link Payload (DRAFT)"
+Description:	"Smart Health Link Payload (DRAFT)
+
+This logical model was taken from the SMART Health Link documentation <https://docs.smarthealthit.org/smart-health-links/spec#construct-a-shlink-payload> as if 30 November 2023.
+
+A [[ SMART Health Link]] is generated from this payload according to the algorithm documented here <https://docs.smarthealthit.org/smart-health-links/spec#example-shlink-generation> to create a 
+
+It is generated 
+
+"
+
+* ^url = "http://smart.who.int/trust/StructureDefinition/SmartHealthLinkPayload"
+* ^version = "RC2"
+* ^status = #draft
+*  url 1..1 string "url" "Manifest URL for this SHLink"
+*  key 1..1 string "Decryption key for processing files returned in the manifest. 43 characters, consisting of 32 random bytes base64urlencoded."
+*  exp 0..1 string "Optional. Number representing expiration time in Epoch seconds, as a hint to help the SHL Receiving Application determine if this QR is stale. (Note: epoch times should be parsed into 64-bit numeric types.)"
+* flag 0..1 string "Optional. String created by concatenating single-character flags in alphabetical order
+  L Indicates the SHLink is intended for long-term use and manifest content can evolve over time
+  P Indicates the SHLink requires a Passcode to resolves
+  U Indicates the SHLink's url resolves to a single encrypted file accessible via GET, bypassing the manifest. SHALL NOT be used in combination with P."
+* label 0..1 string "Optional. String no longer than 80 characters that provides a short description of the data behind the SHLink."
+* v 0..1 string "Optional. Integer representing the SHLinks protocol version this SHLink conforms to. MAY be omitted when the default value (1) applies."
\ No newline at end of file
diff --git a/input/fsh/models/hcert.fsh b/input/fsh/models/hcert.fsh
index 26355a47f..25c2fc024 100644
--- a/input/fsh/models/hcert.fsh
+++ b/input/fsh/models/hcert.fsh
@@ -2,7 +2,6 @@ Alias: $IPS = http://hl7.org/fhir/uv/ips/StructureDefinition/Bundle-uv-ips
 Alias: $HCertDCC = http://smart.who.int/ddcc/StructureDefinition/HCertDCC
 Alias: $DDCCVS = http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSet.VS
 Alias: $DDCCTR = http://smart.who.int/ddcc/StructureDefinition/DDCCCoreDataSet.TR
-Alias: $SmartHealthLink = http://smart.who.int/ips-pilgrimage/StructureDefinition/SmartHealthLink
 
 Logical:        HCert
 Title:          "Health Certificate"
@@ -27,6 +26,6 @@ Description:    "Logical Model for the HCERT"
 //* 2 0..* $RACSEL_DDVC "RACSEL Vaccination Certficate Data Set claim" "RACSEL Vaccination Certificate (PROPOSED)" 
 * 3 0..* $DDCCVS "Vaccination Core Data Set claim" "DDCC Vaccination claim (PROPOSED)"
 * 4 0..* $DDCCTR "Test Result Core Data Set claim" "DDCC Test Result claim (PROPOSED)"
-* 5 0..* $SmartHealthLink "SMART Health Link claim" "SMART Health Link"
+* 5 0..* SmartHealthLink "SMART Health Link claim" "SMART Health Link"
 //* 6 0..* $IPS "IPS" "IPS Bundle (EXAMPLE)"