diff --git a/specification/_global/get_source/SourceResponse.ts b/specification/_global/get_source/SourceResponse.ts
index 5c473eff5e..2c23f3c82e 100644
--- a/specification/_global/get_source/SourceResponse.ts
+++ b/specification/_global/get_source/SourceResponse.ts
@@ -18,5 +18,6 @@
  */
 
 export class Response<TDocument> {
+  /** @codegen_name source */
   body: TDocument
 }
diff --git a/specification/_global/search_mvt/SearchMvtResponse.ts b/specification/_global/search_mvt/SearchMvtResponse.ts
index 691bf7d06c..83379eb334 100644
--- a/specification/_global/search_mvt/SearchMvtResponse.ts
+++ b/specification/_global/search_mvt/SearchMvtResponse.ts
@@ -20,5 +20,6 @@
 import { MapboxVectorTiles } from '@_types/Binary'
 
 export class Response {
+  /** @codegen_name vector_tiles */
   body: MapboxVectorTiles
 }
diff --git a/specification/cluster/remote_info/ClusterRemoteInfoResponse.ts b/specification/cluster/remote_info/ClusterRemoteInfoResponse.ts
index 1b38ee1dc6..583dc6c499 100644
--- a/specification/cluster/remote_info/ClusterRemoteInfoResponse.ts
+++ b/specification/cluster/remote_info/ClusterRemoteInfoResponse.ts
@@ -22,6 +22,7 @@ import { integer, long } from '@_types/Numeric'
 import { Duration } from '@_types/Time'
 
 export class Response {
+  /** @codegen_name infos */
   body: Dictionary<string, ClusterRemoteInfo>
 }
 
diff --git a/specification/esql/query/QueryResponse.ts b/specification/esql/query/QueryResponse.ts
index 25f71b15be..0c44745c6b 100644
--- a/specification/esql/query/QueryResponse.ts
+++ b/specification/esql/query/QueryResponse.ts
@@ -20,5 +20,6 @@
 import { EsqlColumns } from '@_types/Binary'
 
 export class Response {
+  /** @codegen_name data */
   body: EsqlColumns
 }
diff --git a/specification/ilm/get_lifecycle/GetLifecycleResponse.ts b/specification/ilm/get_lifecycle/GetLifecycleResponse.ts
index 80e5ee99f3..a31e5bb104 100644
--- a/specification/ilm/get_lifecycle/GetLifecycleResponse.ts
+++ b/specification/ilm/get_lifecycle/GetLifecycleResponse.ts
@@ -21,5 +21,6 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { Lifecycle } from './types'
 
 export class Response {
+  /** @codegen_name lifecycles */
   body: Dictionary<string, Lifecycle>
 }
diff --git a/specification/indices/disk_usage/IndicesDiskUsageResponse.ts b/specification/indices/disk_usage/IndicesDiskUsageResponse.ts
index f4ed729ed2..5353940902 100644
--- a/specification/indices/disk_usage/IndicesDiskUsageResponse.ts
+++ b/specification/indices/disk_usage/IndicesDiskUsageResponse.ts
@@ -20,5 +20,6 @@
 import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
 
 export class Response {
+  /** @codegen_name disk_usage */
   body: UserDefinedValue
 }
diff --git a/specification/indices/downsample/Response.ts b/specification/indices/downsample/Response.ts
index 9e71df5410..634d3d0e5e 100644
--- a/specification/indices/downsample/Response.ts
+++ b/specification/indices/downsample/Response.ts
@@ -20,5 +20,6 @@
 import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
 
 export class Response {
+  /** @codegen_name result */
   body: UserDefinedValue // TODO: This API is experimental and no docs exist describing it. Requires reverse engineering if made stable
 }
diff --git a/specification/indices/get/IndicesGetResponse.ts b/specification/indices/get/IndicesGetResponse.ts
index f239a4f3a3..1ed5c38c7d 100644
--- a/specification/indices/get/IndicesGetResponse.ts
+++ b/specification/indices/get/IndicesGetResponse.ts
@@ -22,5 +22,6 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { IndexName } from '@_types/common'
 
 export class Response {
+  /** @codegen_name indices */
   body: Dictionary<IndexName, IndexState>
 }
diff --git a/specification/indices/get_alias/IndicesGetAliasResponse.ts b/specification/indices/get_alias/IndicesGetAliasResponse.ts
index 70e38996e6..21ebed7999 100644
--- a/specification/indices/get_alias/IndicesGetAliasResponse.ts
+++ b/specification/indices/get_alias/IndicesGetAliasResponse.ts
@@ -24,6 +24,7 @@ import { ErrorResponseBase } from '@_types/Base'
 import { IndexName } from '@_types/common'
 
 export class Response {
+  /** @codegen_name aliases */
   body: Dictionary<IndexName, IndexAliases>
   exceptions: [
     {
diff --git a/specification/indices/get_field_mapping/IndicesGetFieldMappingResponse.ts b/specification/indices/get_field_mapping/IndicesGetFieldMappingResponse.ts
index eebb1aac55..2269252894 100644
--- a/specification/indices/get_field_mapping/IndicesGetFieldMappingResponse.ts
+++ b/specification/indices/get_field_mapping/IndicesGetFieldMappingResponse.ts
@@ -22,5 +22,6 @@ import { IndexName } from '@_types/common'
 import { TypeFieldMappings } from './types'
 
 export class Response {
+  /** @codegen_name field_mappings */
   body: Dictionary<IndexName, TypeFieldMappings>
 }
diff --git a/specification/indices/get_mapping/IndicesGetMappingResponse.ts b/specification/indices/get_mapping/IndicesGetMappingResponse.ts
index a3b14f54c7..e2e69a801f 100644
--- a/specification/indices/get_mapping/IndicesGetMappingResponse.ts
+++ b/specification/indices/get_mapping/IndicesGetMappingResponse.ts
@@ -22,6 +22,7 @@ import { IndexName } from '@_types/common'
 import { TypeMapping } from '@_types/mapping/TypeMapping'
 
 export class Response {
+  /** @codegen_name mappings */
   body: Dictionary<IndexName, IndexMappingRecord>
 }
 
diff --git a/specification/indices/get_settings/IndicesGetSettingsResponse.ts b/specification/indices/get_settings/IndicesGetSettingsResponse.ts
index f239a4f3a3..bdd6cd6684 100644
--- a/specification/indices/get_settings/IndicesGetSettingsResponse.ts
+++ b/specification/indices/get_settings/IndicesGetSettingsResponse.ts
@@ -22,5 +22,6 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { IndexName } from '@_types/common'
 
 export class Response {
+  /** @codegen_name settings */
   body: Dictionary<IndexName, IndexState>
 }
diff --git a/specification/indices/get_template/IndicesGetTemplateResponse.ts b/specification/indices/get_template/IndicesGetTemplateResponse.ts
index af113bd3e9..ca05d4c586 100644
--- a/specification/indices/get_template/IndicesGetTemplateResponse.ts
+++ b/specification/indices/get_template/IndicesGetTemplateResponse.ts
@@ -21,5 +21,6 @@ import { TemplateMapping } from '@indices/_types/TemplateMapping'
 import { Dictionary } from '@spec_utils/Dictionary'
 
 export class Response {
+  /** @codegen_name templates */
   body: Dictionary<string, TemplateMapping>
 }
diff --git a/specification/indices/promote_data_stream/IndicesPromoteDataStreamResponse.ts b/specification/indices/promote_data_stream/IndicesPromoteDataStreamResponse.ts
index f4ed729ed2..6a01ac73d6 100644
--- a/specification/indices/promote_data_stream/IndicesPromoteDataStreamResponse.ts
+++ b/specification/indices/promote_data_stream/IndicesPromoteDataStreamResponse.ts
@@ -20,5 +20,6 @@
 import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
 
 export class Response {
+  /** @codegen_name result */
   body: UserDefinedValue
 }
diff --git a/specification/indices/recovery/IndicesRecoveryResponse.ts b/specification/indices/recovery/IndicesRecoveryResponse.ts
index 41a96e1b7f..8bb90bd739 100644
--- a/specification/indices/recovery/IndicesRecoveryResponse.ts
+++ b/specification/indices/recovery/IndicesRecoveryResponse.ts
@@ -22,5 +22,6 @@ import { IndexName } from '@_types/common'
 import { RecoveryStatus } from './types'
 
 export class Response {
+  /** @codegen_name statuses */
   body: Dictionary<IndexName, RecoveryStatus>
 }
diff --git a/specification/indices/resolve_cluster/ResolveClusterResponse.ts b/specification/indices/resolve_cluster/ResolveClusterResponse.ts
index 02a8d6b5c6..f56f769877 100644
--- a/specification/indices/resolve_cluster/ResolveClusterResponse.ts
+++ b/specification/indices/resolve_cluster/ResolveClusterResponse.ts
@@ -22,6 +22,7 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { ElasticsearchVersionMinInfo } from '@_types/Base'
 
 export class Response {
+  /** @codegen_name infos */
   body: Dictionary<ClusterAlias, ResolveClusterInfo>
 }
 
diff --git a/specification/ingest/get_pipeline/GetPipelineResponse.ts b/specification/ingest/get_pipeline/GetPipelineResponse.ts
index fd7e39c492..d8754f4af3 100644
--- a/specification/ingest/get_pipeline/GetPipelineResponse.ts
+++ b/specification/ingest/get_pipeline/GetPipelineResponse.ts
@@ -21,5 +21,6 @@ import { Pipeline } from '@ingest/_types/Pipeline'
 import { Dictionary } from '@spec_utils/Dictionary'
 
 export class Response {
+  /** @codegen_name pipelines */
   body: Dictionary<string, Pipeline>
 }
diff --git a/specification/logstash/get_pipeline/LogstashGetPipelineResponse.ts b/specification/logstash/get_pipeline/LogstashGetPipelineResponse.ts
index 31565a44f7..aff10ff475 100644
--- a/specification/logstash/get_pipeline/LogstashGetPipelineResponse.ts
+++ b/specification/logstash/get_pipeline/LogstashGetPipelineResponse.ts
@@ -22,5 +22,6 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { Id } from '@_types/common'
 
 export class Response {
+  /** @codegen_name pipelines */
   body: Dictionary<Id, Pipeline>
 }
diff --git a/specification/ml/preview_datafeed/MlPreviewDatafeedResponse.ts b/specification/ml/preview_datafeed/MlPreviewDatafeedResponse.ts
index 87d7400ddb..d456dbec47 100644
--- a/specification/ml/preview_datafeed/MlPreviewDatafeedResponse.ts
+++ b/specification/ml/preview_datafeed/MlPreviewDatafeedResponse.ts
@@ -18,5 +18,6 @@
  */
 
 export class Response<TDocument> {
+  /** @codegen_name documents */
   body: Array<TDocument>
 }
diff --git a/specification/rollup/get_rollup_caps/GetRollupCapabilitiesResponse.ts b/specification/rollup/get_rollup_caps/GetRollupCapabilitiesResponse.ts
index 82055ceabf..8c6d239f21 100644
--- a/specification/rollup/get_rollup_caps/GetRollupCapabilitiesResponse.ts
+++ b/specification/rollup/get_rollup_caps/GetRollupCapabilitiesResponse.ts
@@ -22,5 +22,6 @@ import { IndexName } from '@_types/common'
 import { RollupCapabilities } from './types'
 
 export class Response {
+  /** @codegen_name capabilities */
   body: Dictionary<IndexName, RollupCapabilities>
 }
diff --git a/specification/rollup/get_rollup_index_caps/GetRollupIndexCapabilitiesResponse.ts b/specification/rollup/get_rollup_index_caps/GetRollupIndexCapabilitiesResponse.ts
index 96e919aee3..89ccd3543b 100644
--- a/specification/rollup/get_rollup_index_caps/GetRollupIndexCapabilitiesResponse.ts
+++ b/specification/rollup/get_rollup_index_caps/GetRollupIndexCapabilitiesResponse.ts
@@ -22,5 +22,6 @@ import { IndexName } from '@_types/common'
 import { IndexCapabilities } from './types'
 
 export class Response {
+  /** @codegen_name capabilities */
   body: Dictionary<IndexName, IndexCapabilities>
 }
diff --git a/specification/search_application/get_behavioral_analytics/BehavioralAnalyticsGetResponse.ts b/specification/search_application/get_behavioral_analytics/BehavioralAnalyticsGetResponse.ts
index ef6d9ab675..2e851cdae5 100644
--- a/specification/search_application/get_behavioral_analytics/BehavioralAnalyticsGetResponse.ts
+++ b/specification/search_application/get_behavioral_analytics/BehavioralAnalyticsGetResponse.ts
@@ -22,5 +22,6 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { Name } from '@_types/common'
 
 export class Response {
+  /** @codegen_name analytics */
   body: Dictionary<Name, AnalyticsCollection>
 }
diff --git a/specification/searchable_snapshots/clear_cache/SearchableSnapshotsClearCacheResponse.ts b/specification/searchable_snapshots/clear_cache/SearchableSnapshotsClearCacheResponse.ts
index f4ed729ed2..6a01ac73d6 100644
--- a/specification/searchable_snapshots/clear_cache/SearchableSnapshotsClearCacheResponse.ts
+++ b/specification/searchable_snapshots/clear_cache/SearchableSnapshotsClearCacheResponse.ts
@@ -20,5 +20,6 @@
 import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
 
 export class Response {
+  /** @codegen_name result */
   body: UserDefinedValue
 }
diff --git a/specification/security/delete_privileges/SecurityDeletePrivilegesResponse.ts b/specification/security/delete_privileges/SecurityDeletePrivilegesResponse.ts
index 3d74ffb330..0e9a03db8c 100644
--- a/specification/security/delete_privileges/SecurityDeletePrivilegesResponse.ts
+++ b/specification/security/delete_privileges/SecurityDeletePrivilegesResponse.ts
@@ -21,5 +21,6 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { FoundStatus } from './types'
 
 export class Response {
+  /** @codegen_name result */
   body: Dictionary<string, Dictionary<string, FoundStatus>>
 }
diff --git a/specification/security/get_privileges/SecurityGetPrivilegesResponse.ts b/specification/security/get_privileges/SecurityGetPrivilegesResponse.ts
index 1790b4e85a..eb1370188b 100644
--- a/specification/security/get_privileges/SecurityGetPrivilegesResponse.ts
+++ b/specification/security/get_privileges/SecurityGetPrivilegesResponse.ts
@@ -21,5 +21,6 @@ import { Actions } from '@security/put_privileges/types'
 import { Dictionary } from '@spec_utils/Dictionary'
 
 export class Response {
+  /** @codegen_name privileges */
   body: Dictionary<string, Dictionary<string, Actions>>
 }
diff --git a/specification/security/get_role/SecurityGetRoleResponse.ts b/specification/security/get_role/SecurityGetRoleResponse.ts
index 45da953721..da2520f6ce 100644
--- a/specification/security/get_role/SecurityGetRoleResponse.ts
+++ b/specification/security/get_role/SecurityGetRoleResponse.ts
@@ -21,5 +21,6 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { Role } from './types'
 
 export class Response {
+  /** @codegen_name roles */
   body: Dictionary<string, Role>
 }
diff --git a/specification/security/get_role_mapping/SecurityGetRoleMappingResponse.ts b/specification/security/get_role_mapping/SecurityGetRoleMappingResponse.ts
index 5ea800a3dd..628a94bc7a 100644
--- a/specification/security/get_role_mapping/SecurityGetRoleMappingResponse.ts
+++ b/specification/security/get_role_mapping/SecurityGetRoleMappingResponse.ts
@@ -21,5 +21,6 @@ import { RoleMapping } from '@security/_types/RoleMapping'
 import { Dictionary } from '@spec_utils/Dictionary'
 
 export class Response {
+  /** @codegen_name role_mappings */
   body: Dictionary<string, RoleMapping>
 }
diff --git a/specification/security/get_service_accounts/GetServiceAccountsResponse.ts b/specification/security/get_service_accounts/GetServiceAccountsResponse.ts
index 0d003b88ae..1f6adaad96 100644
--- a/specification/security/get_service_accounts/GetServiceAccountsResponse.ts
+++ b/specification/security/get_service_accounts/GetServiceAccountsResponse.ts
@@ -21,5 +21,6 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { RoleDescriptorWrapper } from './types'
 
 export class Response {
+  /** @codegen_name service_accoutns */
   body: Dictionary<string, RoleDescriptorWrapper>
 }
diff --git a/specification/security/get_user/SecurityGetUserResponse.ts b/specification/security/get_user/SecurityGetUserResponse.ts
index 66276fcdb5..46bdc603f9 100644
--- a/specification/security/get_user/SecurityGetUserResponse.ts
+++ b/specification/security/get_user/SecurityGetUserResponse.ts
@@ -21,5 +21,6 @@ import { User } from '@security/_types/User'
 import { Dictionary } from '@spec_utils/Dictionary'
 
 export class Response {
+  /** @codegen_name users */
   body: Dictionary<string, User>
 }
diff --git a/specification/security/put_privileges/SecurityPutPrivilegesResponse.ts b/specification/security/put_privileges/SecurityPutPrivilegesResponse.ts
index 7f9b1f029d..c84a510cca 100644
--- a/specification/security/put_privileges/SecurityPutPrivilegesResponse.ts
+++ b/specification/security/put_privileges/SecurityPutPrivilegesResponse.ts
@@ -21,5 +21,6 @@ import { CreatedStatus } from '@security/_types/CreatedStatus'
 import { Dictionary } from '@spec_utils/Dictionary'
 
 export class Response {
+  /** @codegen_name result */
   body: Dictionary<string, Dictionary<string, CreatedStatus>>
 }
diff --git a/specification/slm/get_lifecycle/GetSnapshotLifecycleResponse.ts b/specification/slm/get_lifecycle/GetSnapshotLifecycleResponse.ts
index 9a4226583e..142d57053f 100644
--- a/specification/slm/get_lifecycle/GetSnapshotLifecycleResponse.ts
+++ b/specification/slm/get_lifecycle/GetSnapshotLifecycleResponse.ts
@@ -22,5 +22,6 @@ import { Dictionary } from '@spec_utils/Dictionary'
 import { Id } from '@_types/common'
 
 export class Response {
+  /** @codegen_name lifecycles */
   body: Dictionary<Id, SnapshotLifecycle>
 }