5 files changed, 21 insertions, 1 deletions
diff --git a/app/models/ci/pipeline.rb b/app/models/ci/pipeline.rb
index acef5d2e643..cb61d2629ca 100644
--- a/app/models/ci/pipeline.rb
+++ b/app/models/ci/pipeline.rb
@@ -47,6 +47,8 @@ module Ci
     has_many :auto_canceled_pipelines, class_name: 'Ci::Pipeline', foreign_key: 'auto_canceled_by_id'
     has_many :auto_canceled_jobs, class_name: 'CommitStatus', foreign_key: 'auto_canceled_by_id'
 
+    has_one :chat_data, class_name: 'Ci::PipelineChatData'
+
     accepts_nested_attributes_for :variables, reject_if: :persisted?
 
     delegate :id, to: :project, prefix: true
diff --git a/app/models/ci/pipeline_chat_data.rb b/app/models/ci/pipeline_chat_data.rb
new file mode 100644
index 00000000000..8d37500fec5
--- /dev/null
+++ b/app/models/ci/pipeline_chat_data.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module Ci
+  class PipelineChatData < ActiveRecord::Base
+    self.table_name = 'ci_pipeline_chat_data'
+
+    belongs_to :chat_name
+
+    validates :pipeline_id, presence: true
+    validates :chat_name_id, presence: true
+    validates :response_url, presence: true
+  end
+end
diff --git a/app/models/ci/pipeline_enums.rb b/app/models/ci/pipeline_enums.rb
index 2994aaae4aa..4be4fdb1ff2 100644
--- a/app/models/ci/pipeline_enums.rb
+++ b/app/models/ci/pipeline_enums.rb
@@ -22,6 +22,7 @@ module Ci
         schedule: 4,
         api: 5,
         external: 6,
+        chat: 8,
         merge_request: 10
       }
     end
diff --git a/app/models/project_services/deployment_service.rb b/app/models/project_services/deployment_service.rb
index 6dae4f3a4a6..80aa2101509 100644
--- a/app/models/project_services/deployment_service.rb
+++ b/app/models/project_services/deployment_service.rb
@@ -11,7 +11,7 @@ class DeploymentService < Service
     %w()
   end
 
-  def predefined_variables
+  def predefined_variables(project:)
     []
   end
 
diff --git a/app/models/project_services/slack_slash_commands_service.rb b/app/models/project_services/slack_slash_commands_service.rb
index 6c82e088231..6a454070fe2 100644
--- a/app/models/project_services/slack_slash_commands_service.rb
+++ b/app/models/project_services/slack_slash_commands_service.rb
@@ -22,6 +22,10 @@ class SlackSlashCommandsService < SlashCommandsService
     end
   end
 
+  def chat_responder
+    ::Gitlab::Chat::Responder::Slack
+  end
+
   private
 
   def format(text)