diff --git a/doc/api/graphql/reference/index.md b/doc/api/graphql/reference/index.md
index c88e5d1c60205a867135876bfdb57260358316d8..3703d8e1560c182cb73ea79f8fc8b01ee43194c8 100644
--- a/doc/api/graphql/reference/index.md
+++ b/doc/api/graphql/reference/index.md
@@ -9513,6 +9513,30 @@ The edge type for [`CiStage`](#cistage).
 | <a id="cistageedgecursor"></a>`cursor` | [`String!`](#string) | A cursor for use in pagination. |
 | <a id="cistageedgenode"></a>`node` | [`CiStage`](#cistage) | The item at the end of the edge. |
 
+#### `CiSubscriptionsProjectConnection`
+
+The connection type for [`CiSubscriptionsProject`](#cisubscriptionsproject).
+
+##### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="cisubscriptionsprojectconnectioncount"></a>`count` | [`Int!`](#int) | Total count of collection. |
+| <a id="cisubscriptionsprojectconnectionedges"></a>`edges` | [`[CiSubscriptionsProjectEdge]`](#cisubscriptionsprojectedge) | A list of edges. |
+| <a id="cisubscriptionsprojectconnectionnodes"></a>`nodes` | [`[CiSubscriptionsProject]`](#cisubscriptionsproject) | A list of nodes. |
+| <a id="cisubscriptionsprojectconnectionpageinfo"></a>`pageInfo` | [`PageInfo!`](#pageinfo) | Information to aid in pagination. |
+
+#### `CiSubscriptionsProjectEdge`
+
+The edge type for [`CiSubscriptionsProject`](#cisubscriptionsproject).
+
+##### Fields
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="cisubscriptionsprojectedgecursor"></a>`cursor` | [`String!`](#string) | A cursor for use in pagination. |
+| <a id="cisubscriptionsprojectedgenode"></a>`node` | [`CiSubscriptionsProject`](#cisubscriptionsproject) | The item at the end of the edge. |
+
 #### `ClusterAgentActivityEventConnection`
 
 The connection type for [`ClusterAgentActivityEvent`](#clusteragentactivityevent).
@@ -23718,6 +23742,8 @@ Represents vulnerability finding of a security report on the pipeline.
 | <a id="projectcicdsettings"></a>`ciCdSettings` | [`ProjectCiCdSetting`](#projectcicdsetting) | CI/CD settings for the project. |
 | <a id="projectciconfigpathordefault"></a>`ciConfigPathOrDefault` | [`String!`](#string) | Path of the CI configuration file. |
 | <a id="projectcijobtokenscope"></a>`ciJobTokenScope` | [`CiJobTokenScopeType`](#cijobtokenscopetype) | The CI Job Tokens scope of access. |
+| <a id="projectcisubscribedprojects"></a>`ciSubscribedProjects` | [`CiSubscriptionsProjectConnection`](#cisubscriptionsprojectconnection) | Triggers a new pipeline in the downstream project when a pipeline successfullycompletes on the(upstream) project. (see [Connections](#connections)) |
+| <a id="projectcisubscriptionsprojects"></a>`ciSubscriptionsProjects` | [`CiSubscriptionsProjectConnection`](#cisubscriptionsprojectconnection) | Triggers a new pipeline in the(downstream) project when a pipeline successfullycompletes on the upstream project. (see [Connections](#connections)) |
 | <a id="projectcodecoveragesummary"></a>`codeCoverageSummary` | [`CodeCoverageSummary`](#codecoveragesummary) | Code coverage summary associated with the project. |
 | <a id="projectcomplianceframeworks"></a>`complianceFrameworks` | [`ComplianceFrameworkConnection`](#complianceframeworkconnection) | Compliance frameworks associated with the project. (see [Connections](#connections)) |
 | <a id="projectcontainerexpirationpolicy"></a>`containerExpirationPolicy` | [`ContainerExpirationPolicy`](#containerexpirationpolicy) | Container expiration policy of the project. |
diff --git a/ee/app/graphql/ee/types/project_type.rb b/ee/app/graphql/ee/types/project_type.rb
index 9c7a1246fff24e1ce51c396f8e1719969df624d2..5388cc4a9860709a5bde44fa32b3fd761d48670c 100644
--- a/ee/app/graphql/ee/types/project_type.rb
+++ b/ee/app/graphql/ee/types/project_type.rb
@@ -307,6 +307,18 @@ module ProjectType
           null: true, description: 'Member roles available for the group.',
           resolver: ::Resolvers::MemberRoles::RolesResolver,
           alpha: { milestone: '16.5' }
+
+        field :ci_subscriptions_projects,
+          type: ::Types::Ci::Subscriptions::ProjectType.connection_type,
+          method: :upstream_project_subscriptions,
+          description: 'Triggers a new pipeline in the(downstream) project when a pipeline successfully' \
+                       'completes on the upstream project.'
+
+        field :ci_subscribed_projects,
+          type: ::Types::Ci::Subscriptions::ProjectType.connection_type,
+          method: :downstream_project_subscriptions,
+          description: 'Triggers a new pipeline in the downstream project when a pipeline successfully' \
+                       'completes on the(upstream) project.'
       end
 
       def tracking_key
diff --git a/ee/app/graphql/types/ci/subscriptions/project_type.rb b/ee/app/graphql/types/ci/subscriptions/project_type.rb
index 868e98235c97601e8b9066cbfd572a31f2a232a4..86e13f7a01ddc3a84586aced7143c4d5af28a79d 100644
--- a/ee/app/graphql/types/ci/subscriptions/project_type.rb
+++ b/ee/app/graphql/types/ci/subscriptions/project_type.rb
@@ -6,6 +6,8 @@ module Subscriptions
       class ProjectType < BaseObject
         graphql_name 'CiSubscriptionsProject'
 
+        connection_type_class Types::CountableConnectionType
+
         authorize :read_project_subscription
 
         field :id, Types::GlobalIDType[::Ci::Subscriptions::Project], description: "Global ID of the subscription."
diff --git a/ee/spec/graphql/types/project_type_spec.rb b/ee/spec/graphql/types/project_type_spec.rb
index 07ee96412983f9ec32cbdb87e3f21832b3ab1e0c..809c7eea0d3c45eb26471899bf9b644172c5f02b 100644
--- a/ee/spec/graphql/types/project_type_spec.rb
+++ b/ee/spec/graphql/types/project_type_spec.rb
@@ -24,7 +24,7 @@
       code_coverage_summary api_fuzzing_ci_configuration corpuses path_locks incident_management_escalation_policies
       incident_management_escalation_policy scan_execution_policies network_policies security_training_urls
       vulnerability_images only_allow_merge_if_all_status_checks_passed dependencies merge_requests_disable_committers_approval
-      ai_conversations has_jira_vulnerability_issue_creation_enabled
+      ai_conversations has_jira_vulnerability_issue_creation_enabled ci_subscriptions_projects ci_subscribed_projects
     ]
 
     expect(described_class).to include_graphql_fields(*expected_fields)