diff --git a/app/models/ci/job_token/project_scope_link.rb b/app/models/ci/job_token/project_scope_link.rb
index c2ab8ca09297163447823a7b5bf8b4071ff9f1a5..3fdf07123e6cfb4c6696773567ef48b32c8a3f86 100644
--- a/app/models/ci/job_token/project_scope_link.rb
+++ b/app/models/ci/job_token/project_scope_link.rb
@@ -19,6 +19,11 @@ class ProjectScopeLink < Ci::ApplicationRecord
       validates :target_project, presence: true
       validate :not_self_referential_link
 
+      enum direction: {
+        outbound: 0,
+        inbound: 1
+      }
+
       def self.for_source_and_target(source_project, target_project)
         self.find_by(source_project: source_project, target_project: target_project)
       end
diff --git a/db/migrate/20220922143612_add_inbound_ci_job_token_project_scope_links.rb b/db/migrate/20220922143612_add_inbound_ci_job_token_project_scope_links.rb
new file mode 100644
index 0000000000000000000000000000000000000000..50b43ee4db8c5b9d48de811eae83fd06c9acab99
--- /dev/null
+++ b/db/migrate/20220922143612_add_inbound_ci_job_token_project_scope_links.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class AddInboundCiJobTokenProjectScopeLinks < Gitlab::Database::Migration[2.0]
+  enable_lock_retries!
+
+  def up
+    add_column :ci_job_token_project_scope_links, :direction, :integer, limit: 2, default: 0, null: false
+  end
+
+  def down
+    remove_column :ci_job_token_project_scope_links, :direction
+  end
+end
diff --git a/db/schema_migrations/20220922143612 b/db/schema_migrations/20220922143612
new file mode 100644
index 0000000000000000000000000000000000000000..4f93a218c746d04523193e65eca34dc706e3fef6
--- /dev/null
+++ b/db/schema_migrations/20220922143612
@@ -0,0 +1 @@
+4685b471f00f8ef5e8d8e521c50dc276c757c9f9caa50b1aa20c1f98b8b008c5
\ No newline at end of file
diff --git a/db/structure.sql b/db/structure.sql
index d6665c0999dc03a16cc996c1d6b17368f4b53d68..0524290374bd06e598166ddb42cb02edbfd10f5e 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -12832,7 +12832,8 @@ CREATE TABLE ci_job_token_project_scope_links (
     source_project_id bigint NOT NULL,
     target_project_id bigint NOT NULL,
     added_by_id bigint,
-    created_at timestamp with time zone NOT NULL
+    created_at timestamp with time zone NOT NULL,
+    direction smallint DEFAULT 0 NOT NULL
 );
 
 CREATE SEQUENCE ci_job_token_project_scope_links_id_seq
diff --git a/spec/models/ci/job_token/project_scope_link_spec.rb b/spec/models/ci/job_token/project_scope_link_spec.rb
index c000a3e29f752785921ff96a3615b7cf6f460e0c..4c1f11130a41da0228ff3fa8b85436d95b1edc32 100644
--- a/spec/models/ci/job_token/project_scope_link_spec.rb
+++ b/spec/models/ci/job_token/project_scope_link_spec.rb
@@ -89,6 +89,12 @@
     end
   end
 
+  describe 'enums' do
+    let(:directions) { { outbound: 0, inbound: 1 } }
+
+    it { is_expected.to define_enum_for(:direction).with_values(directions) }
+  end
+
   context 'loose foreign key on ci_job_token_project_scope_links.source_project_id' do
     it_behaves_like 'cleanup by a loose foreign key' do
       let!(:parent) { create(:project) }