diff --git a/src/vs/workbench/api/common/extHost.api.impl.ts b/src/vs/workbench/api/common/extHost.api.impl.ts
index 85c7ba9122a..865436abcf7 100644
--- a/src/vs/workbench/api/common/extHost.api.impl.ts
+++ b/src/vs/workbench/api/common/extHost.api.impl.ts
@@ -1763,6 +1763,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 			ChatResponseProgressPart: extHostTypes.ChatResponseProgressPart,
 			ChatResponseProgressPart2: extHostTypes.ChatResponseProgressPart2,
 			ChatResponseReferencePart: extHostTypes.ChatResponseReferencePart,
+			ChatResponseReferencePart2: extHostTypes.ChatResponseReferencePart,
 			ChatResponseCodeCitationPart: extHostTypes.ChatResponseCodeCitationPart,
 			ChatResponseWarningPart: extHostTypes.ChatResponseWarningPart,
 			ChatResponseTextEditPart: extHostTypes.ChatResponseTextEditPart,
@@ -1770,6 +1771,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 			ChatResponseCommandButtonPart: extHostTypes.ChatResponseCommandButtonPart,
 			ChatResponseDetectedParticipantPart: extHostTypes.ChatResponseDetectedParticipantPart,
 			ChatResponseConfirmationPart: extHostTypes.ChatResponseConfirmationPart,
+			ChatResponseReferencePartStatusKind: extHostTypes.ChatResponseReferencePartStatusKind,
 			ChatRequestTurn: extHostTypes.ChatRequestTurn,
 			ChatResponseTurn: extHostTypes.ChatResponseTurn,
 			ChatLocation: extHostTypes.ChatLocation,
diff --git a/src/vs/workbench/api/common/extHostChatAgents2.ts b/src/vs/workbench/api/common/extHostChatAgents2.ts
index 490c0719be2..46a2a57283f 100644
--- a/src/vs/workbench/api/common/extHostChatAgents2.ts
+++ b/src/vs/workbench/api/common/extHostChatAgents2.ts
@@ -158,6 +158,9 @@ class ChatAgentResponseStream {
 					return this;
 				},
 				reference(value, iconPath) {
+					return this.reference2(value, iconPath);
+				},
+				reference2(value, iconPath, options) {
 					throwIfDone(this.reference);
 
 					if ('variableName' in value) {
@@ -176,7 +179,7 @@ class ChatAgentResponseStream {
 								} satisfies IChatContentReference));
 							} else {
 								// Participant sent a variableName reference but the variable produced no references. Show variable reference with no value
-								const part = new extHostTypes.ChatResponseReferencePart(value, iconPath);
+								const part = new extHostTypes.ChatResponseReferencePart(value, iconPath, options);
 								const dto = typeConvert.ChatResponseReferencePart.from(part);
 								references = [dto];
 							}
@@ -187,7 +190,7 @@ class ChatAgentResponseStream {
 							// Something went wrong- that variable doesn't actually exist
 						}
 					} else {
-						const part = new extHostTypes.ChatResponseReferencePart(value, iconPath);
+						const part = new extHostTypes.ChatResponseReferencePart(value, iconPath, options);
 						const dto = typeConvert.ChatResponseReferencePart.from(part);
 						_report(dto);
 					}
@@ -245,7 +248,7 @@ class ChatAgentResponseStream {
 
 					if (part instanceof extHostTypes.ChatResponseReferencePart) {
 						// Ensure variable reference values get fixed up
-						this.reference(part.value, part.iconPath);
+						this.reference2(part.value, part.iconPath, part.options);
 					} else {
 						const dto = typeConvert.ChatResponsePart.from(part, that._commandsConverter, that._sessionDisposables);
 						_report(dto);
diff --git a/src/vs/workbench/api/common/extHostTypeConverters.ts b/src/vs/workbench/api/common/extHostTypeConverters.ts
index 459ee6b05f9..3d0dba250b4 100644
--- a/src/vs/workbench/api/common/extHostTypeConverters.ts
+++ b/src/vs/workbench/api/common/extHostTypeConverters.ts
@@ -2511,7 +2511,8 @@ export namespace ChatResponseReferencePart {
 						part.value.value :
 						Location.from(part.value.value as vscode.Location)
 				},
-				iconPath
+				iconPath,
+				options: part.options
 			};
 		}
 
@@ -2520,7 +2521,8 @@ export namespace ChatResponseReferencePart {
 			reference: URI.isUri(part.value) ?
 				part.value :
 				Location.from(<vscode.Location>part.value),
-			iconPath
+			iconPath,
+			options: part.options
 		};
 	}
 	export function to(part: Dto<IChatContentReference>): vscode.ChatResponseReferencePart {
@@ -2553,7 +2555,7 @@ export namespace ChatResponseCodeCitationPart {
 
 export namespace ChatResponsePart {
 
-	export function from(part: vscode.ChatResponsePart | vscode.ChatResponseTextEditPart | vscode.ChatResponseMarkdownWithVulnerabilitiesPart | vscode.ChatResponseDetectedParticipantPart | vscode.ChatResponseWarningPart | vscode.ChatResponseConfirmationPart | vscode.ChatResponseWarningPart, commandsConverter: CommandsConverter, commandDisposables: DisposableStore): extHostProtocol.IChatProgressDto {
+	export function from(part: vscode.ChatResponsePart | vscode.ChatResponseTextEditPart | vscode.ChatResponseMarkdownWithVulnerabilitiesPart | vscode.ChatResponseDetectedParticipantPart | vscode.ChatResponseWarningPart | vscode.ChatResponseConfirmationPart | vscode.ChatResponseReferencePart2, commandsConverter: CommandsConverter, commandDisposables: DisposableStore): extHostProtocol.IChatProgressDto {
 		if (part instanceof types.ChatResponseMarkdownPart) {
 			return ChatResponseMarkdownPart.from(part);
 		} else if (part instanceof types.ChatResponseAnchorPart) {
diff --git a/src/vs/workbench/api/common/extHostTypes.ts b/src/vs/workbench/api/common/extHostTypes.ts
index 7f5f6f92b25..b0167a87039 100644
--- a/src/vs/workbench/api/common/extHostTypes.ts
+++ b/src/vs/workbench/api/common/extHostTypes.ts
@@ -4467,9 +4467,11 @@ export class ChatResponseCommandButtonPart {
 export class ChatResponseReferencePart {
 	value: vscode.Uri | vscode.Location | { variableName: string; value?: vscode.Uri | vscode.Location };
 	iconPath?: vscode.Uri | vscode.ThemeIcon | { light: vscode.Uri; dark: vscode.Uri };
-	constructor(value: vscode.Uri | vscode.Location | { variableName: string; value?: vscode.Uri | vscode.Location }, iconPath?: vscode.Uri | vscode.ThemeIcon | { light: vscode.Uri; dark: vscode.Uri }) {
+	options?: { status?: { description: string; kind: vscode.ChatResponseReferencePartStatusKind } };
+	constructor(value: vscode.Uri | vscode.Location | { variableName: string; value?: vscode.Uri | vscode.Location }, iconPath?: vscode.Uri | vscode.ThemeIcon | { light: vscode.Uri; dark: vscode.Uri }, options?: { status?: { description: string; kind: vscode.ChatResponseReferencePartStatusKind } }) {
 		this.value = value;
 		this.iconPath = iconPath;
+		this.options = options;
 	}
 }
 
@@ -4519,6 +4521,12 @@ export enum ChatLocation {
 	Editor = 4,
 }
 
+export enum ChatResponseReferencePartStatusKind {
+	Complete = 1,
+	Partial = 2,
+	Omitted = 3
+}
+
 export class ChatRequestEditorData implements vscode.ChatRequestEditorData {
 	constructor(
 		readonly document: vscode.TextDocument,
diff --git a/src/vs/workbench/contrib/chat/browser/chatContentParts/chatAttachmentsContentPart.ts b/src/vs/workbench/contrib/chat/browser/chatContentParts/chatAttachmentsContentPart.ts
index ebcc16d2ca5..1d882b5a67e 100644
--- a/src/vs/workbench/contrib/chat/browser/chatContentParts/chatAttachmentsContentPart.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatContentParts/chatAttachmentsContentPart.ts
@@ -14,6 +14,8 @@ import { FileKind } from 'vs/platform/files/common/files';
 import { Range } from 'vs/editor/common/core/range';
 import { basename, dirname } from 'vs/base/common/path';
 import { localize } from 'vs/nls';
+import { ChatResponseReferencePartStatusKind, IChatContentReference } from 'vs/workbench/contrib/chat/common/chatService';
+import { IOpenerService } from 'vs/platform/opener/common/opener';
 
 export class ChatAttachmentsContentPart extends Disposable {
 	private readonly attachedContextDisposables = this._register(new DisposableStore());
@@ -23,8 +25,10 @@ export class ChatAttachmentsContentPart extends Disposable {
 
 	constructor(
 		private readonly variables: IChatRequestVariableEntry[],
+		private readonly contentReferences: ReadonlyArray<IChatContentReference> = [],
 		public readonly domNode: HTMLElement = dom.$('.chat-attached-context'),
 		@IInstantiationService private readonly instantiationService: IInstantiationService,
+		@IOpenerService private readonly openerService: IOpenerService,
 	) {
 		super();
 
@@ -36,32 +40,65 @@ export class ChatAttachmentsContentPart extends Disposable {
 		this.attachedContextDisposables.clear();
 		dom.setVisibility(Boolean(this.variables.length), this.domNode);
 
-		this.variables.forEach((attachment, index) => {
+		this.variables.forEach((attachment) => {
 			const widget = dom.append(container, dom.$('.chat-attached-context-attachment.show-file-icons'));
 			const label = this._contextResourceLabels.create(widget, { supportIcons: true });
 			const file = URI.isUri(attachment.value) ? attachment.value : attachment.value && typeof attachment.value === 'object' && 'uri' in attachment.value && URI.isUri(attachment.value.uri) ? attachment.value.uri : undefined;
 			const range = attachment.value && typeof attachment.value === 'object' && 'range' in attachment.value && Range.isIRange(attachment.value.range) ? attachment.value.range : undefined;
 
+			const correspondingContentReference = this.contentReferences.find((ref) => 'variableName' in ref.reference && ref.reference.variableName === attachment.name);
+
 			if (file) {
 				const fileBasename = basename(file.path);
 				const fileDirname = dirname(file.path);
 				const friendlyName = `${fileBasename} ${fileDirname}`;
-				const ariaLabel = range ? localize('chat.fileAttachmentWithRange', "Attached file, {0}, line {1} to line {2}", friendlyName, range.startLineNumber, range.endLineNumber) : localize('chat.fileAttachment', "Attached file, {0}", friendlyName);
+				const ariaLabel = range ? localize('chat.fileAttachmentWithRange2', "Attached file, {0}, line {1} to line {2}.", friendlyName, range.startLineNumber, range.endLineNumber) : localize('chat.fileAttachment2', "Attached file, {0}.", friendlyName);
 
 				label.setFile(file, {
 					fileKind: FileKind.FILE,
 					hidePath: true,
 					range,
+					title: correspondingContentReference?.options?.status?.description
 				});
 				widget.ariaLabel = ariaLabel;
 				widget.tabIndex = 0;
+				widget.style.cursor = 'pointer';
+
+				this.attachedContextDisposables.add(dom.addDisposableListener(widget, dom.EventType.CLICK, async (e: MouseEvent) => {
+					dom.EventHelper.stop(e, true);
+					if (file) {
+						this.openerService.open(
+							file,
+							{
+								fromUserGesture: true,
+								editorOptions: {
+									selection: range
+								} as any
+							});
+					}
+				}));
 			} else {
 				const attachmentLabel = attachment.fullName ?? attachment.name;
-				label.setLabel(attachmentLabel, undefined);
+				label.setLabel(attachmentLabel, correspondingContentReference?.options?.status?.description);
 
-				widget.ariaLabel = localize('chat.attachment', "Attached context, {0}", attachment.name);
+				widget.ariaLabel = localize('chat.attachment2', "Attached context, {0}.", attachment.name);
 				widget.tabIndex = 0;
 			}
+
+			const isAttachmentPartialOrOmitted = correspondingContentReference?.options?.status?.kind === ChatResponseReferencePartStatusKind.Omitted || correspondingContentReference?.options?.status?.kind === ChatResponseReferencePartStatusKind.Partial;
+			if (isAttachmentPartialOrOmitted) {
+				widget.classList.add('warning');
+			}
+			const description = correspondingContentReference?.options?.status?.description;
+			if (isAttachmentPartialOrOmitted) {
+				widget.ariaLabel = `${widget.ariaLabel}${description ? ` ${description}` : ''}`;
+				for (const selector of ['.monaco-icon-suffix-container', '.monaco-icon-name-container']) {
+					const element = label.element.querySelector(selector);
+					if (element) {
+						element.classList.add('warning');
+					}
+				}
+			}
 		});
 	}
 }
diff --git a/src/vs/workbench/contrib/chat/browser/chatContentParts/chatReferencesContentPart.ts b/src/vs/workbench/contrib/chat/browser/chatContentParts/chatReferencesContentPart.ts
index 1ce49d6f21a..91df37d7f0e 100644
--- a/src/vs/workbench/contrib/chat/browser/chatContentParts/chatReferencesContentPart.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatContentParts/chatReferencesContentPart.ts
@@ -26,7 +26,7 @@ import { ColorScheme } from 'vs/workbench/browser/web.api';
 import { ChatTreeItem } from 'vs/workbench/contrib/chat/browser/chat';
 import { IDisposableReference, ResourcePool } from 'vs/workbench/contrib/chat/browser/chatContentParts/chatCollections';
 import { IChatContentPart } from 'vs/workbench/contrib/chat/browser/chatContentParts/chatContentParts';
-import { IChatContentReference, IChatWarningMessage } from 'vs/workbench/contrib/chat/common/chatService';
+import { ChatResponseReferencePartStatusKind, IChatContentReference, IChatWarningMessage } from 'vs/workbench/contrib/chat/common/chatService';
 import { IChatVariablesService } from 'vs/workbench/contrib/chat/common/chatVariables';
 import { IChatRendererContent, IChatResponseViewModel } from 'vs/workbench/contrib/chat/common/chatViewModel';
 import { createFileIconThemableTreeContainerScope } from 'vs/workbench/contrib/files/browser/views/explorerView';
@@ -283,10 +283,10 @@ class CollapsibleListRenderer implements IListRenderer<IChatCollapsibleListItem,
 						name: basenameOrAuthority(uri),
 						description: `#${reference.variableName}`,
 						range: 'range' in reference.value ? reference.value.range : undefined,
-					}, { icon, title: data.title });
+					}, { icon, title: data.options?.status?.description ?? data.title });
 			} else {
 				const variable = this.chatVariablesService.getVariable(reference.variableName);
-				templateData.label.setLabel(`#${reference.variableName}`, undefined, { title: variable?.description });
+				templateData.label.setLabel(`#${reference.variableName}`, undefined, { title: data.options?.status?.description ?? variable?.description });
 			}
 		} else {
 			const uri = 'uri' in reference ? reference.uri : reference;
@@ -300,17 +300,26 @@ class CollapsibleListRenderer implements IListRenderer<IChatCollapsibleListItem,
 				const settingId = uri.path.substring(1);
 				templateData.label.setResource({ resource: uri, name: settingId }, { icon: Codicon.settingsGear, title: localize('setting.hover', "Open setting '{0}'", settingId) });
 			} else if (matchesSomeScheme(uri, Schemas.mailto, Schemas.http, Schemas.https)) {
-				templateData.label.setResource({ resource: uri, name: uri.toString() }, { icon: icon ?? Codicon.globe, title: data.title });
+				templateData.label.setResource({ resource: uri, name: uri.toString() }, { icon: icon ?? Codicon.globe, title: data.options?.status?.description ?? data.title });
 			} else {
 				templateData.label.setFile(uri, {
 					fileKind: FileKind.FILE,
 					// Should not have this live-updating data on a historical reference
 					fileDecorations: { badges: false, colors: false },
 					range: 'range' in reference ? reference.range : undefined,
-					title: data.title
+					title: data.options?.status?.description ?? data.title
 				});
 			}
 		}
+
+		if (data.options?.status?.kind === ChatResponseReferencePartStatusKind.Omitted || data.options?.status?.kind === ChatResponseReferencePartStatusKind.Partial) {
+			for (const selector of ['.monaco-icon-suffix-container', '.monaco-icon-name-container']) {
+				const element = templateData.label.element.querySelector(selector);
+				if (element) {
+					element.classList.add('warning');
+				}
+			}
+		}
 	}
 
 	disposeTemplate(templateData: ICollapsibleListTemplate): void {
diff --git a/src/vs/workbench/contrib/chat/browser/chatListRenderer.ts b/src/vs/workbench/contrib/chat/browser/chatListRenderer.ts
index d9a30002fd2..1351360016e 100644
--- a/src/vs/workbench/contrib/chat/browser/chatListRenderer.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatListRenderer.ts
@@ -61,7 +61,7 @@ import { ChatAgentLocation, IChatAgentMetadata } from 'vs/workbench/contrib/chat
 import { CONTEXT_CHAT_RESPONSE_SUPPORT_ISSUE_REPORTING, CONTEXT_REQUEST, CONTEXT_RESPONSE, CONTEXT_RESPONSE_DETECTED_AGENT_COMMAND, CONTEXT_RESPONSE_FILTERED, CONTEXT_RESPONSE_VOTE } from 'vs/workbench/contrib/chat/common/chatContextKeys';
 import { IChatRequestVariableEntry, IChatTextEditGroup } from 'vs/workbench/contrib/chat/common/chatModel';
 import { chatSubcommandLeader } from 'vs/workbench/contrib/chat/common/chatParserTypes';
-import { ChatAgentVoteDirection, IChatConfirmation, IChatFollowup, IChatTask, IChatTreeData } from 'vs/workbench/contrib/chat/common/chatService';
+import { ChatAgentVoteDirection, IChatConfirmation, IChatContentReference, IChatFollowup, IChatTask, IChatTreeData } from 'vs/workbench/contrib/chat/common/chatService';
 import { IChatCodeCitations, IChatReferences, IChatRendererContent, IChatResponseViewModel, IChatWelcomeMessageViewModel, isRequestVM, isResponseVM, isWelcomeVM } from 'vs/workbench/contrib/chat/common/chatViewModel';
 import { getNWords } from 'vs/workbench/contrib/chat/common/chatWordCounter';
 import { annotateSpecialMarkdownContent } from '../common/annotations';
@@ -491,7 +491,7 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 		templateData.renderedParts = parts;
 
 		if (isRequestVM(element) && element.variables.length) {
-			const newPart = this.renderAttachments(element.variables, templateData);
+			const newPart = this.renderAttachments(element.variables, element.contentReferences, templateData);
 			if (newPart) {
 				templateData.value.appendChild(newPart.domNode);
 				templateData.elementDisposables.add(newPart);
@@ -831,8 +831,8 @@ export class ChatListItemRenderer extends Disposable implements ITreeRenderer<Ch
 		return part;
 	}
 
-	private renderAttachments(variables: IChatRequestVariableEntry[], templateData: IChatListItemTemplate) {
-		return this.instantiationService.createInstance(ChatAttachmentsContentPart, variables, undefined);
+	private renderAttachments(variables: IChatRequestVariableEntry[], contentReferences: ReadonlyArray<IChatContentReference> | undefined, templateData: IChatListItemTemplate) {
+		return this.instantiationService.createInstance(ChatAttachmentsContentPart, variables, contentReferences, undefined);
 	}
 
 	private renderTextEdit(context: IChatContentPartRenderContext, chatTextEdit: IChatTextEditGroup, templateData: IChatListItemTemplate): IChatContentPart {
diff --git a/src/vs/workbench/contrib/chat/browser/media/chat.css b/src/vs/workbench/contrib/chat/browser/media/chat.css
index 692eb2c379c..0549960bbb1 100644
--- a/src/vs/workbench/contrib/chat/browser/media/chat.css
+++ b/src/vs/workbench/contrib/chat/browser/media/chat.css
@@ -482,6 +482,17 @@
 	color: var(--vscode-interactive-session-foreground);
 }
 
+.chat-attached-context .chat-attached-context-attachment .monaco-icon-name-container.warning,
+.chat-attached-context .chat-attached-context-attachment .monaco-icon-suffix-container.warning,
+.chat-used-context-list .monaco-icon-name-container.warning,
+.chat-used-context-list .monaco-icon-suffix-container.warning {
+	color: var(--vscode-notificationsWarningIcon-foreground);
+}
+
+.chat-attached-context .chat-attached-context-attachment.show-file-icons.warning {
+	border-color: var(--vscode-notificationsWarningIcon-foreground);
+}
+
 .chat-notification-widget .chat-warning-codicon .codicon-warning {
 	color: var(--vscode-notificationsWarningIcon-foreground) !important; /* Have to override default styles which apply to all lists */
 }
diff --git a/src/vs/workbench/contrib/chat/common/chatService.ts b/src/vs/workbench/contrib/chat/common/chatService.ts
index 82ef9c5da66..6c9be3f767f 100644
--- a/src/vs/workbench/contrib/chat/common/chatService.ts
+++ b/src/vs/workbench/contrib/chat/common/chatService.ts
@@ -75,9 +75,16 @@ export interface IChatContentVariableReference {
 	value?: URI | Location;
 }
 
+export enum ChatResponseReferencePartStatusKind {
+	Complete = 1,
+	Partial = 2,
+	Omitted = 3
+}
+
 export interface IChatContentReference {
 	reference: URI | Location | IChatContentVariableReference;
 	iconPath?: ThemeIcon | { light: URI; dark?: URI };
+	options?: { status?: { description: string; kind: ChatResponseReferencePartStatusKind } };
 	kind: 'reference';
 }
 
diff --git a/src/vs/workbench/contrib/chat/common/chatViewModel.ts b/src/vs/workbench/contrib/chat/common/chatViewModel.ts
index e05c045520a..fc34fce7ec3 100644
--- a/src/vs/workbench/contrib/chat/common/chatViewModel.ts
+++ b/src/vs/workbench/contrib/chat/common/chatViewModel.ts
@@ -71,6 +71,7 @@ export interface IChatRequestViewModel {
 	readonly attempt: number;
 	readonly variables: IChatRequestVariableEntry[];
 	currentRenderedHeight: number | undefined;
+	readonly contentReferences?: ReadonlyArray<IChatContentReference>;
 }
 
 export interface IChatResponseMarkdownRenderData {
@@ -376,6 +377,10 @@ export class ChatRequestViewModel implements IChatRequestViewModel {
 		return this._model.variableData.variables;
 	}
 
+	get contentReferences() {
+		return this._model.response?.contentReferences;
+	}
+
 	currentRenderedHeight: number | undefined;
 
 	constructor(
diff --git a/src/vscode-dts/vscode.proposed.chatParticipantAdditions.d.ts b/src/vscode-dts/vscode.proposed.chatParticipantAdditions.d.ts
index 6910027ec32..a0b49942433 100644
--- a/src/vscode-dts/vscode.proposed.chatParticipantAdditions.d.ts
+++ b/src/vscode-dts/vscode.proposed.chatParticipantAdditions.d.ts
@@ -70,7 +70,7 @@ declare module 'vscode' {
 		constructor(value: Uri, license: string, snippet: string);
 	}
 
-	export type ExtendedChatResponsePart = ChatResponsePart | ChatResponseTextEditPart | ChatResponseDetectedParticipantPart | ChatResponseConfirmationPart | ChatResponseCodeCitationPart;
+	export type ExtendedChatResponsePart = ChatResponsePart | ChatResponseTextEditPart | ChatResponseDetectedParticipantPart | ChatResponseConfirmationPart | ChatResponseCodeCitationPart | ChatResponseReferencePart2;
 
 	export class ChatResponseWarningPart {
 		value: MarkdownString;
@@ -83,6 +83,44 @@ declare module 'vscode' {
 		constructor(value: string, task?: (progress: Progress<ChatResponseWarningPart | ChatResponseReferencePart>) => Thenable<string | void>);
 	}
 
+	export class ChatResponseReferencePart2 {
+		/**
+		 * The reference target.
+		 */
+		value: Uri | Location | { variableName: string; value?: Uri | Location };
+
+		/**
+		 * The icon for the reference.
+		 */
+		iconPath?: Uri | ThemeIcon | {
+			/**
+			 * The icon path for the light theme.
+			 */
+			light: Uri;
+			/**
+			 * The icon path for the dark theme.
+			 */
+			dark: Uri;
+		};
+		options?: { status?: { description: string; kind: ChatResponseReferencePartStatusKind } };
+
+		/**
+		 * Create a new ChatResponseReferencePart.
+		 * @param value A uri or location
+		 * @param iconPath Icon for the reference shown in UI
+		 */
+		constructor(value: Uri | Location | { variableName: string; value?: Uri | Location }, iconPath?: Uri | ThemeIcon | {
+			/**
+			 * The icon path for the light theme.
+			 */
+			light: Uri;
+			/**
+			 * The icon path for the dark theme.
+			 */
+			dark: Uri;
+		}, options?: { status?: { description: string; kind: ChatResponseReferencePartStatusKind } });
+	}
+
 	export interface ChatResponseStream {
 
 		/**
@@ -123,11 +161,19 @@ declare module 'vscode' {
 
 		reference(value: Uri | Location | { variableName: string; value?: Uri | Location }, iconPath?: Uri | ThemeIcon | { light: Uri; dark: Uri }): void;
 
+		reference2(value: Uri | Location | { variableName: string; value?: Uri | Location }, iconPath?: Uri | ThemeIcon | { light: Uri; dark: Uri }, options?: { status?: { description: string; kind: ChatResponseReferencePartStatusKind } }): void;
+
 		codeCitation(value: Uri, license: string, snippet: string): void;
 
 		push(part: ExtendedChatResponsePart): void;
 	}
 
+	export enum ChatResponseReferencePartStatusKind {
+		Complete = 1,
+		Partial = 2,
+		Omitted = 3
+	}
+
 	/**
 	 * Does this piggy-back on the existing ChatRequest, or is it a different type of request entirely?
 	 * Does it show up in history?