diff --git a/pkg/apis/api.kusion.io/v1/types.go b/pkg/apis/api.kusion.io/v1/types.go
index f33ac38d..9bb66f96 100644
--- a/pkg/apis/api.kusion.io/v1/types.go
+++ b/pkg/apis/api.kusion.io/v1/types.go
@@ -721,6 +721,9 @@ type ProviderSpec struct {
 
 	// Fake configures a store with static key/value pairs
 	Fake *FakeProvider `yaml:"fake,omitempty" json:"fake,omitempty"`
+
+	// custom configures a store with custom define attributes
+	Custom *CustomSecretProvider `yaml:"custom,omitempty" json:"custom,omitempty"`
 }
 
 // AlicloudProvider configures a store to retrieve secrets from Alicloud Secrets Manager.
@@ -798,6 +801,14 @@ type FakeProviderData struct {
 	Version  string            `json:"version,omitempty"`
 }
 
+// CustomSecretProvider configures a secret provider with custom define attributes
+type CustomSecretProvider struct {
+	// platform name of the provider
+	Name string `json:"name"`
+	// attributes of the provider
+	Attributes map[string]string `json:"attributes,omitempty"`
+}
+
 type Type string
 
 const (
diff --git a/pkg/secrets/providers.go b/pkg/secrets/providers.go
index 46bad127..a56c1b42 100644
--- a/pkg/secrets/providers.go
+++ b/pkg/secrets/providers.go
@@ -100,5 +100,9 @@ func getProviderName(spec *v1.ProviderSpec) (string, error) {
 		return "", fmt.Errorf("secret stores must only have exactly one provider specified, found %d", len(specMap))
 	}
 
+	if maps.Keys(specMap)[0] == "custom" {
+		return specMap["custom"].(map[string]interface{})["name"].(string), nil
+	}
+
 	return maps.Keys(specMap)[0], nil
 }
diff --git a/pkg/secrets/providers_test.go b/pkg/secrets/providers_test.go
index 01506972..6d2f92ae 100644
--- a/pkg/secrets/providers_test.go
+++ b/pkg/secrets/providers_test.go
@@ -47,6 +47,17 @@ func TestRegister(t *testing.T) {
 				AWS: &v1.AWSProvider{},
 			},
 		},
+		{
+			name:         "should register a valid provider",
+			providerName: "customplaform",
+			shouldPanic:  false,
+			expExists:    true,
+			spec: &v1.ProviderSpec{
+				Custom: &v1.CustomSecretProvider{
+					Name: "customplaform",
+				},
+			},
+		},
 	}
 
 	fsp := &FakeSecretStoreProvider{}