diff --git a/v2alpha/soap/client/client.go b/v2alpha/soap/client/client.go
index 3bbc9b2..a0958e0 100644
--- a/v2alpha/soap/client/client.go
+++ b/v2alpha/soap/client/client.go
@@ -57,21 +57,6 @@ func New(endpointURL string, opts ...Option) *Client {
 	}
 }
 
-// PerformAction makes a SOAP request, with the given `argsIn` as input
-// arguments, and `argsOut` to capture the output arguments into.
-// `serviceType` is the SOAP service type URN, `actionName` is the action to
-// call.
-//
-// This is a convenience for calling `c.Do` without creating `*Action` values.
-func (c *Client) PerformAction(
-	ctx context.Context, serviceType, actionName string,
-	argsIn, argsOut any,
-) error {
-	actionIn := envelope.NewSendAction(serviceType, actionName, argsIn)
-	actionOut := &envelope.Action{Args: argsOut}
-	return c.Do(ctx, actionIn, actionOut)
-}
-
 // PerformAction makes a SOAP request, with the given action values to provide
 // arguments (`args`) and capture the `reply` into.
 func (c *Client) Do(
@@ -100,6 +85,22 @@ func (c *Client) Do(
 	return ParseResponseAction(resp, actionOut)
 }
 
+// PerformAction makes a SOAP request, with the given `argsIn` as input
+// arguments, and `argsOut` to capture the output arguments into.
+// `serviceType` is the SOAP service type URN, `actionName` is the action to
+// call.
+//
+// This is a convenience for calling `Client.Do` without creating `*Action` values.
+func PerformAction(
+	ctx context.Context, c *Client,
+	serviceType, actionName string,
+	argsIn, argsOut any,
+) error {
+	actionIn := envelope.NewSendAction(serviceType, actionName, argsIn)
+	actionOut := &envelope.Action{Args: argsOut}
+	return c.Do(ctx, actionIn, actionOut)
+}
+
 // SetRequestAction updates fields in `req` with the given SOAP action.
 // Specifically it sets Body, ContentLength, Method, and the SOAPACTION and
 // CONTENT-TYPE headers.
diff --git a/v2alpha/soap/client/client_test.go b/v2alpha/soap/client/client_test.go
index ea2353c..e749c27 100644
--- a/v2alpha/soap/client/client_test.go
+++ b/v2alpha/soap/client/client_test.go
@@ -75,7 +75,7 @@ func (fss *fakeSoapServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func TestDo(t *testing.T) {
+func TestPerformAction(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	t.Cleanup(cancel)
 
@@ -91,12 +91,10 @@ func TestDo(t *testing.T) {
 
 	c := New(ts.URL + "/endpointpath")
 
-	reqAction := envelope.NewSendAction("http://example.com/endpointns", "Foo",
-		&ActionArgs{Name: "World"})
 	reply := &ActionReply{}
-	replyAction := &envelope.Action{Args: reply}
 
-	if err := c.Do(ctx, reqAction, replyAction); err != nil {
+	if err := PerformAction(ctx, c, "http://example.com/endpointns", "Foo",
+		&ActionArgs{Name: "World"}, reply); err != nil {
 		t.Errorf("got error: %v, want success", err)
 	} else {
 		if got, want := reply.Greeting, "Hello, World!"; got != want {