1 files changed, 10 insertions, 0 deletions
diff --git a/app/models/experiment_user.rb b/app/models/experiment_user.rb
new file mode 100644
index 00000000000..1571b0c3439
--- /dev/null
+++ b/app/models/experiment_user.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class ExperimentUser < ApplicationRecord
+  belongs_to :experiment
+  belongs_to :user
+
+  enum group_type: { control: 0, experimental: 1 }
+
+  validates :group_type, presence: true
+end