diff --git a/sct-commons/src/main/java/org/lfenergy/compas/sct/commons/util/PrivateUtils.java b/sct-commons/src/main/java/org/lfenergy/compas/sct/commons/util/PrivateUtils.java
index 049f1e48a..567d73f75 100644
--- a/sct-commons/src/main/java/org/lfenergy/compas/sct/commons/util/PrivateUtils.java
+++ b/sct-commons/src/main/java/org/lfenergy/compas/sct/commons/util/PrivateUtils.java
@@ -7,6 +7,7 @@
 import jakarta.xml.bind.JAXBElement;
 import lombok.NonNull;
 import lombok.experimental.UtilityClass;
+import org.apache.commons.lang3.StringUtils;
 import org.lfenergy.compas.scl2007b4.model.*;
 import org.lfenergy.compas.sct.commons.dto.PrivateLinkedToStds;
 import org.lfenergy.compas.sct.commons.exception.ScdException;
@@ -269,7 +270,7 @@ public static String stdCheckFormatExceptionMessage(TPrivate key) throws ScdExce
     public static Stream<IcdHeader> streamIcdHeaders(SCL scd) {
         return scd
                 .getSubstation()
-                .get(0)
+                .getFirst()
                 .getVoltageLevel()
                 .stream()
                 .map(TVoltageLevel::getBay).flatMap(Collection::stream)
@@ -320,4 +321,13 @@ public static void copyCompasICDHeaderFromLNodePrivateIntoSTDPrivate(TPrivate st
     }
 
 
+    public static Optional<String> extractStringPrivate(TBaseElement tBaseElement, String privateType) {
+        return tBaseElement.getPrivate().stream()
+                .filter(tPrivate -> privateType.equals(tPrivate.getType()))
+                .flatMap(tPrivate -> tPrivate.getContent().stream())
+                .filter(String.class::isInstance)
+                .map(String.class::cast)
+                .filter(StringUtils::isNotBlank)
+                .findFirst();
     }
+}
diff --git a/sct-commons/src/test/java/org/lfenergy/compas/sct/commons/util/PrivateUtilsTest.java b/sct-commons/src/test/java/org/lfenergy/compas/sct/commons/util/PrivateUtilsTest.java
index 5a9b20954..a29b84f0e 100644
--- a/sct-commons/src/test/java/org/lfenergy/compas/sct/commons/util/PrivateUtilsTest.java
+++ b/sct-commons/src/test/java/org/lfenergy/compas/sct/commons/util/PrivateUtilsTest.java
@@ -198,7 +198,7 @@ void createPrivate_should_return_private_new_private(Object compasElement) throw
         assertThat(resultPrivate).isNotNull()
                 .hasFieldOrPropertyWithValue("type", privateEnum.getPrivateType());
         assertThat(resultPrivate.getContent()).hasSize(1).first().satisfies(content -> assertThat(content).isInstanceOf(JAXBElement.class));
-        JAXBElement<?> content = (JAXBElement<?>) resultPrivate.getContent().get(0);
+        JAXBElement<?> content = (JAXBElement<?>) resultPrivate.getContent().getFirst();
         assertThat(content.isNil()).isFalse();
         assertThat(content.getValue()).isNotNull().isInstanceOf(compasElement.getClass())
                 .isEqualTo(compasElement);
@@ -258,10 +258,10 @@ void removePrivates_should_remove_privates_of_given_type() {
         PrivateUtils.removePrivates(baseElement, PrivateEnum.COMPAS_ICDHEADER);
         // Then
         assertThat(baseElement.getPrivate()).hasSize(1);
-        TPrivate tPrivate = baseElement.getPrivate().get(0);
+        TPrivate tPrivate = baseElement.getPrivate().getFirst();
         assertThat(tPrivate.getType()).isEqualTo(privateSCD.getType());
         assertThat(tPrivate.getContent()).hasSize(1).first().isInstanceOf(JAXBElement.class);
-        JAXBElement<?> jaxbElement = (JAXBElement<?>) tPrivate.getContent().get(0);
+        JAXBElement<?> jaxbElement = (JAXBElement<?>) tPrivate.getContent().getFirst();
         assertThat(jaxbElement.isNil()).isFalse();
         assertThat(jaxbElement.getValue()).isEqualTo(TCompasSclFileType.SCD);
     }
@@ -561,7 +561,7 @@ void copyCompasICDHeaderFromLNodePrivateIntoSTDPrivate() {
         PrivateUtils.copyCompasICDHeaderFromLNodePrivateIntoSTDPrivate(stdTPrivate, lNodeCompasICDHeader);
 
         // Then
-        TCompasICDHeader result = PrivateUtils.extractCompasICDHeader(stdTPrivate).get();
+        TCompasICDHeader result = PrivateUtils.extractCompasICDHeader(stdTPrivate).orElseThrow();
         assertThat(result).extracting(TCompasICDHeader::getICDSystemVersionUUID, TCompasICDHeader::getIEDName,
                         TCompasICDHeader::getIEDSubstationinstance, TCompasICDHeader::getBayLabel)
                 .containsExactlyInAnyOrder("UUID-2", "IED-1", BigInteger.ONE, "BAY-1");
@@ -613,7 +613,7 @@ void getCompasICDHeaders_should_return_ICDHeaders() {
 
     private static TIED createTIED() {
         SCL sclFromFile = SclTestMarshaller.getSCLFromFile("/scd-ied-dtt-com-import-stds/std.xml");
-        return sclFromFile.getIED().get(0);
+        return sclFromFile.getIED().getFirst();
     }
 
     @Test
@@ -630,4 +630,18 @@ void createPrivate_compas_Topo_should_succeed(){
                 .map(JAXBElement::getValue)
                 .containsExactly(tCompasTopo1, tCompasTopo2);
     }
+
+    @Test
+    void extractStringPrivate_should_succeed() {
+        // Given
+        TIED tied = new TIED();
+        TPrivate tPrivate = new TPrivate();
+        tPrivate.setType("MyCustomType");
+        tPrivate.getContent().add("hello World");
+        tied.getPrivate().add(tPrivate);
+        // When
+        Optional<String> result = PrivateUtils.extractStringPrivate(tied, "MyCustomType");
+        // Then
+        assertThat(result).hasValue("hello World");
+    }
 }