diff --git a/application/src/main/java/net/corda/v5/application/crypto/SigningService.java b/application/src/main/java/net/corda/v5/application/crypto/SigningService.java
index 0dc42b71ef..5fd96fa46e 100644
--- a/application/src/main/java/net/corda/v5/application/crypto/SigningService.java
+++ b/application/src/main/java/net/corda/v5/application/crypto/SigningService.java
@@ -41,6 +41,10 @@ public interface SigningService {
     @NotNull
     DigitalSignature.WithKeyId sign(@NotNull byte[] bytes, @NotNull PublicKey publicKey, @NotNull SignatureSpec signatureSpec);
 
+    @Suspendable
+    @NotNull
+    DigitalSignature.WithKeyId sign(@NotNull byte[] bytes, @NotNull PublicKey publicKey, @NotNull SignatureSpec signatureSpec, @NotNull Map<String, String> context);
+
     /**
      * Looks into a set of signing keys to find keys owned by the caller. In case of {@link CompositeKey} it looks into
      * the composite key leaves and returns the firstly found owned composite key leaf.