diff --git a/p-process.yml b/p-process.yml
index cccc781..0113ecc 100644
--- a/p-process.yml
+++ b/p-process.yml
@@ -483,6 +483,9 @@ components:
         bsiTr03135Results:
           description: "When enabled, returns processing results in accordance with the BSI TR-03135 standard in addition to the existing processing results."
           type: boolean
+        checkHoldersSignature:
+          description: "When enabled, activates detection of the document holder’s signature presence."
+          type: boolean
 
     MRZFormat:
       title: "MRZFormat"