diff --git a/etc/preAnalysis/dummy.csh b/etc/preAnalysis/dummy.csh
new file mode 100644
index 00000000..caa6eb84
--- /dev/null
+++ b/etc/preAnalysis/dummy.csh
@@ -0,0 +1,6 @@
+# preAnalysis test script
+# This script acts like a preAnalysis script.
+# This script can be included in test workflows to demonstrate preAnalysis capability.
+echo This is a dummy preAnalysis script
+ls
+exit 0
diff --git a/for_gh_runner/yaml_workflow/local_settings.yaml b/for_gh_runner/yaml_workflow/local_settings.yaml
index 74138d71..b6233e04 100644
--- a/for_gh_runner/yaml_workflow/local_settings.yaml
+++ b/for_gh_runner/yaml_workflow/local_settings.yaml
@@ -18,8 +18,17 @@ postprocess:
     pp_grid_spec:            *GRID_SPEC96_LOCAL
   switches:
     clean_work:              True
-    do_refinediag:           False
     do_atmos_plevel_masking: True
-    do_preanalysis:          False
     do_analysis:             False
     do_analysis_only:        False
+  preanalysis:
+    vitals:
+      script:                "FOOBARPLACEHOLD/etc/preAnalysis/dummy.csh"
+      inputs:                 ['atmos_month']
+      do_preanalysis:        False
+  refinediag:
+    atmos:
+      script:                "FOOBARPLACEHOLD/etc/refineDiag/dummy.csh"
+      inputs:                 ['atmos_month']
+      outputs:                ['atmos_refined']
+      do_refinediag:         False
diff --git a/for_gh_runner/yaml_workflow/settings.yaml b/for_gh_runner/yaml_workflow/settings.yaml
index 4dd74d22..95140f42 100644
--- a/for_gh_runner/yaml_workflow/settings.yaml
+++ b/for_gh_runner/yaml_workflow/settings.yaml
@@ -15,8 +15,17 @@ postprocess:
     pp_grid_spec:            *GRID_SPEC96
   switches:
     clean_work:              True
-    do_refinediag:           False
     do_atmos_plevel_masking: True
-    do_preanalysis:          False
     do_analysis:             False
     do_analysis_only:        False
+  preanalysis:
+    vitals:
+      script:                "FOOBARPLACEHOLD/etc/preAnalysis/dummy.csh"
+      inputs:                 ['atmos_month']
+      do_preanalysis:        False
+  refinediag:
+    atmos:
+      script:                "FOOBARPLACEHOLD/etc/refineDiag/dummy.csh"
+      inputs:                 ['atmos_month']
+      outputs:                ['atmos_refined']
+      do_refinediag:         False