2 files changed, 3 insertions, 1 deletions
diff --git a/src/fields/Doc.ts b/src/fields/Doc.ts
index 3cd4efcf7..56d50846a 100644
--- a/src/fields/Doc.ts
+++ b/src/fields/Doc.ts
@@ -16,7 +16,7 @@ import { DateField } from './DateField';
 import {
     AclAdmin, AclAugment, AclEdit, AclPrivate, AclReadonly, Animation, AudioPlay, Brushed, CachedUpdates, DirectLinks,
     DocAcl, DocCss, DocData, DocFields, DocLayout, DocViews, FieldKeys, FieldTuples, ForceServerWrite, Height, Highlight,
-    Initializing, Self, SelfProxy, UpdatingFromServer, Width
+    Initializing, Self, SelfProxy, TransitionTimer, UpdatingFromServer, Width
 } from './DocSymbols'; // prettier-ignore
 import { Copy, FieldChanged, HandleUpdate, Id, Parent, ToJavascriptString, ToScriptString, ToString } from './FieldSymbols';
 import { InkField, InkTool } from './InkField';
@@ -309,6 +309,7 @@ export class Doc extends RefField {
     public [DocFields] = () => this[Self][FieldTuples]; // Object.keys(this).reduce((fields, key) => { fields[key] = this[key]; return fields; }, {} as any);
     public [Width] = () => NumCast(this[SelfProxy]._width);
     public [Height] = () => NumCast(this[SelfProxy]._height);
+    public [TransitionTimer]: any = undefined;
     public [ToJavascriptString] = () => `idToDoc("${this[Self][Id]}")`; // what should go here?
     public [ToScriptString] = () => `idToDoc("${this[Self][Id]}")`;
     public [ToString] = () => `Doc(${GetEffectiveAcl(this[SelfProxy]) === AclPrivate ? '-inaccessible-' : this[SelfProxy].title})`;
diff --git a/src/fields/DocSymbols.ts b/src/fields/DocSymbols.ts
index 9c563abbf..f8a57acd5 100644
--- a/src/fields/DocSymbols.ts
+++ b/src/fields/DocSymbols.ts
@@ -15,6 +15,7 @@ export const DocLayout = Symbol('DocLayout');
 export const DocFields = Symbol('DocFields');
 export const DocCss = Symbol('DocCss');
 export const DocAcl = Symbol('DocAcl');
+export const TransitionTimer = Symbol('DocTransitionTimer');
 export const DirectLinks = Symbol('DocDirectLinks');
 export const AclPrivate = Symbol('DocAclOwnerOnly');
 export const AclReadonly = Symbol('DocAclReadOnly');