diff --git a/resources/events/attributes/check_types.yml b/resources/events/attributes/check_types.yml
index 77fc5ce9..fba34758 100644
--- a/resources/events/attributes/check_types.yml
+++ b/resources/events/attributes/check_types.yml
@@ -5,6 +5,7 @@ enum:
   - check.rendered_pdf
   - check.rendered_thumbnails
   - check.deleted
+  - check.billed
   - check.delivered
   - check.failed
   - check.mailed
diff --git a/resources/events/attributes/letter_types.yml b/resources/events/attributes/letter_types.yml
index 94e79e9a..4194b281 100644
--- a/resources/events/attributes/letter_types.yml
+++ b/resources/events/attributes/letter_types.yml
@@ -5,6 +5,7 @@ enum:
   - letter.rendered_pdf
   - letter.rendered_thumbnails
   - letter.deleted
+  - letter.billed
   - letter.delivered
   - letter.failed
   - letter.mailed
diff --git a/resources/events/attributes/postcard_types.yml b/resources/events/attributes/postcard_types.yml
index 0cc98c05..f6f2c526 100644
--- a/resources/events/attributes/postcard_types.yml
+++ b/resources/events/attributes/postcard_types.yml
@@ -5,6 +5,7 @@ enum:
   - postcard.rendered_pdf
   - postcard.rendered_thumbnails
   - postcard.deleted
+  - postcard.billed
   - postcard.delivered
   - postcard.failed
   - postcard.mailed
diff --git a/resources/events/attributes/self_mailer_types.yml b/resources/events/attributes/self_mailer_types.yml
index 684c436c..905c0e51 100644
--- a/resources/events/attributes/self_mailer_types.yml
+++ b/resources/events/attributes/self_mailer_types.yml
@@ -5,6 +5,7 @@ enum:
   - self_mailer.rendered_pdf
   - self_mailer.rendered_thumbnails
   - self_mailer.deleted
+  - self_mailer.billed
   - self_mailer.delivered
   - self_mailer.failed
   - self_mailer.mailed