Index: sources/model/hd/adjustment/MTreatmentAdjustRequests.h
===================================================================
diff -u -r14c541d2b780b0a244bc84860aa565cf8dd7fe4b -rae1042a0c14d6d27556730183cc2cbe1a00bc0a7
--- sources/model/hd/adjustment/MTreatmentAdjustRequests.h	(.../MTreatmentAdjustRequests.h)	(revision 14c541d2b780b0a244bc84860aa565cf8dd7fe4b)
+++ sources/model/hd/adjustment/MTreatmentAdjustRequests.h	(.../MTreatmentAdjustRequests.h)	(revision ae1042a0c14d6d27556730183cc2cbe1a00bc0a7)
@@ -269,6 +269,37 @@
 };
 
 /*!
+ * \brief   The MAdjustHeparinReq class
+ * \details The model to request the Heparin state
+ *
+ * | MSG  | CAN ID | M.Box | Type | Ack | Src | Dest | Description     |
+ * |:----:|:------:|:-----:|:----:|:---:|:---:|:----:|:---------------:|
+ * |0x4B00| 0x100  | 9     | Req  | Y   | UI  | HD   | Heparin Request |
+ *
+ * | Payload  ||
+ * |          ||
+ * | #1:(U32) | \ref requestedState |
+ *
+ * \sa State
+ * \sa MTreatmentHeparin        : Heparin Data
+ * \sa MAdjustHeparinResponse   : Heparin Response
+ *
+ */
+class MAdjustHeparinReq : public MModel {
+public:
+    GuiHeparinCommands requestedState = GuiHeparinCommands::HEPARIN_CMD_PAUSE ; // the requested state. Initially it's running with Initial Bolus.
+    // coco begin validated : Has been validated manually.
+    // This object is used statically for now, kept the logic for later usage.
+    QString toString() {
+        return toString({requestedState});
+    }
+    // coco end
+    static QString toString(const QVariantList &vParameters) {
+        return MModel::toString("AdjustHeparin", vParameters);
+    }
+};
+
+/*!
  * \brief   The MAdjustPressuresLimitsReq class
  * \details The model to request the pressures limits adjustment
  *
@@ -549,6 +580,7 @@
 typedef Model::   MAdjustUltrafiltrationEditReq    AdjustUltrafiltrationEditRequestData;
 typedef Model::MAdjustUltrafiltrationConfirmReq AdjustUltrafiltrationConfirmRequestData;
 typedef Model::                MAdjustSalineReq                 AdjustSalineRequestData;
+typedef Model::               MAdjustHeparinReq                AdjustHeparinRequestData;
 typedef Model::       MAdjustPressuresLimitsReq        AdjustPressuresLimitsRequestData;
 typedef Model::              MStartTreatmentReq               StartTreatmentRequestData;
 typedef Model::            MConfirmTreatmentReq             ConfirmTreatmentRequestData;