New source found from dndbeyond.com

ddb_main/tools/js/Shared/selectors/appEnv.ts

@@ -24,3 +24,4 @@ export const getDiceFeatureConfiguration = (state: SharedAppState) =>
 export const getGameLog = (state: SharedAppState) => state.appEnv.gameLog;
 export const getCharacterSlots = (state: SharedAppState) =>
   state.appEnv.characterSlots;
+export const getIsUserDM = (state: SharedAppState) => state.appEnv.isUserDM;

ddb_main/tools/js/Shared/selectors/rollContext.ts

@@ -4,7 +4,7 @@ import {
   DecorationUtils,
   rulesEngineSelectors,
 } from "@dndbeyond/character-rules-engine/es";
-import { IRollContext } from "@dndbeyond/dice";
+import { RollContext } from "@dndbeyond/pocket-dimension-dice/types";
 
 import { appEnvSelectors } from "./index";
 
@@ -13,14 +13,16 @@ export const getCharacterRollContext = createSelector(
     appEnvSelectors.getCharacterId,
     rulesEngineSelectors.getName,
     rulesEngineSelectors.getDecorationInfo,
+    rulesEngineSelectors.getUserId,
   ],
-  (characterId, name, decorationInfo): IRollContext => {
+  (characterId, name, decorationInfo, userId): RollContext => {
     return {
       entityId: characterId ? characterId.toString() : "",
       entityType: "character",
       name: name?.toString(),
       avatarUrl:
         DecorationUtils.getAvatarInfo(decorationInfo).avatarUrl?.toString(),
+      userId: String(userId),
     };
   }
 );