diff --git a/.github/workflows/test_run_qna.yaml b/.github/workflows/test_run_qna.yaml
index 0314fe2..40746d2 100644
--- a/.github/workflows/test_run_qna.yaml
+++ b/.github/workflows/test_run_qna.yaml
@@ -2,6 +2,12 @@
 name: test_run_qna
 
 on:
+  workflow_dispatch:
+    inputs:
+      relevance:
+        description: 'Relevance to test'
+        required: true
+        type: string
   push:
     paths:
       - ".github/workflows/test_run_qna.yaml"
@@ -14,7 +20,8 @@ on:
       - "**"
 
 env:
-  relevance: ("Another Demo!", it) of ( (it as string) of operating system ; (it as string) of version of client ; elements of it ) of sets of pathnames of (files of it; folders of it) of folders ("/tmp";"/Windows/Temp")
+  # relevance: ("Another Demo!", it) of ( (it as string) of operating system ; (it as string) of version of client ; elements of it ) of sets of pathnames of (files of it; folders of it) of folders ("/tmp";"/Windows/Temp")
+  relevance: ${{ inputs.relevance }}
 
 # TODO: add OSes: Raspbian, Amazon Linux, SUSE Linux Enterprise, OpenSUSE Leap
 # https://github.com/pguyot/arm-runner-action