diff --git a/model/rule_provider.go b/model/rule_provider.go
index 0991c95..629d8b9 100644
--- a/model/rule_provider.go
+++ b/model/rule_provider.go
@@ -6,6 +6,7 @@ type RuleProvider struct {
 	Url      string `yaml:"url,omitempty"`
 	Path     string `yaml:"path,omitempty"`
 	Interval int    `yaml:"interval,omitempty"`
+	Format string    `yaml:"format,omitempty"`
 }
 
 type Payload struct {