diff --git a/internal/iam/repository_principal_role.go b/internal/iam/repository_principal_role.go
new file mode 100644
index 0000000000..dfd267443f
--- /dev/null
+++ b/internal/iam/repository_principal_role.go
@@ -0,0 +1,18 @@
+package iam
+
+import "context"
+
+func AddPrincipalRoles(ctx context.Context, roleId string, userIds, groupIds []string, opt ...Option) ([]*PrincipalRole, error) {
+	panic("not implemented")
+}
+
+func SetPrincipalRoles(ctx context.Context, roleId string, userIds []string, opt ...Option) ([]*PrincipalRole, int, error) {
+	panic("not implemented")
+}
+
+func LookupPrincipalRoles(ctx context.Context, roleId string) ([]*PrincipalRole, error) {
+	panic("not implemented")
+}
+func DeleteUserRoles(ctx context.Context, roleId string, userIds []string, opt ...Option) (int, error) {
+	panic("not implemented")
+}