diff --git a/entity-types/ext-onboarding_application/definition.yml b/entity-types/ext-onboarding_application/definition.yml
new file mode 100644
index 000000000..26026b72e
--- /dev/null
+++ b/entity-types/ext-onboarding_application/definition.yml
@@ -0,0 +1,5 @@
+domain: EXT
+type: ONBOARDING_APPLICATION
+
+configuration:
+  entityExpirationTime: FOUR_HOURS