Rackspace Auto Scale: Add webhooks List()
diff --git a/rackspace/autoscale/v1/webhooks/urls.go b/rackspace/autoscale/v1/webhooks/urls.go
new file mode 100644
index 0000000..802db89
--- /dev/null
+++ b/rackspace/autoscale/v1/webhooks/urls.go
@@ -0,0 +1,7 @@
+package webhooks
+
+import "github.com/rackspace/gophercloud"
+
+func listURL(c *gophercloud.ServiceClient, groupID, policyID string) string {
+	return c.ServiceURL("groups", groupID, "policies", policyID, "webhooks")
+}