diff --git a/internal/apimodules/customevent/customevent.go b/internal/apimodules/customevent/customevent.go
index 6127ed5..92be660 100644
--- a/internal/apimodules/customevent/customevent.go
+++ b/internal/apimodules/customevent/customevent.go
@@ -77,6 +77,8 @@ func Register(args plugins.RegistrationArguments) error {
 			{
 				Description: "Time until the event is triggered (must be valid duration like 1h, 1h1m, 10s, ...)",
 				Name:        "schedule_in",
+				Required:    false,
+				Type:        "duration",
 			},
 		},
 		RequiresWriteAuth: true,
diff --git a/status.go b/status.go
index af8e859..2474a40 100644
--- a/status.go
+++ b/status.go
@@ -45,7 +45,7 @@ func init() {
 				Description: "Set the response status for failing checks",
 				Name:        "fail-status",
 				Required:    false,
-				Type:        "integer",
+				Type:        "int",
 			},
 		},
 		RequiresWriteAuth: false,
diff --git a/swagger.go b/swagger.go
index 286c4e7..4c8adea 100644
--- a/swagger.go
+++ b/swagger.go
@@ -140,7 +140,7 @@ func registerSwaggerRoute(route plugins.HTTPRouteRegistrationArgs) error {
 		case "int", "int64":
 			ps = spec.Int64Property()
 
-		case "string":
+		case "duration", "string":
 			ps = spec.StringProperty()
 
 		default: