diff --git a/pkg/clustersconfig/clustersconfig.go b/pkg/clustersconfig/clustersconfig.go
index 131b440..245e8aa 100644
--- a/pkg/clustersconfig/clustersconfig.go
+++ b/pkg/clustersconfig/clustersconfig.go
@@ -135,6 +135,11 @@ func (t *Template) Execute(contextName, elementName string, wr io.Writer, data i
 			indented = indent + strings.Replace(s, "\n", "\n"+indent, -1)
 			return
 		},
+		"yaml": func(v any) (s string, err error) {
+			ba, err := yaml.Marshal(v)
+			s = string(ba)
+			return
+		},
 	}
 
 	for name, f := range extraFuncs {