diff --git a/public/scripts/slash-commands.js b/public/scripts/slash-commands.js
index 65e4b0bdf..8e7ce0326 100644
--- a/public/scripts/slash-commands.js
+++ b/public/scripts/slash-commands.js
@@ -399,7 +399,7 @@ SlashCommandParser.addCommandObject(SlashCommand.fromProps({
             description: 'character name',
             typeList: [ARGUMENT_TYPE.STRING],
             isRequired: true,
-            enumProvider: commonEnumProviders.characters('all'),
+            enumProvider: commonEnumProviders.characters('character'),
         }),
     ],
     unnamedArgumentList: [
@@ -418,7 +418,7 @@ SlashCommandParser.addCommandObject(SlashCommand.fromProps({
             description: 'name',
             typeList: [ARGUMENT_TYPE.STRING],
             isRequired: true,
-            enumProvider: commonEnumProviders.characters('all'),
+            enumProvider: commonEnumProviders.characters('character'),
         }),
     ],
     aliases: ['cancel'],
@@ -508,6 +508,14 @@ SlashCommandParser.addCommandObject(SlashCommand.fromProps({
             'false',
         ),
     ],
+    unnamedArgumentList: [
+        SlashCommandArgument.fromProps({
+            description: 'group member index (starts with 0) or name',
+            typeList: [ARGUMENT_TYPE.NUMBER, ARGUMENT_TYPE.STRING],
+            isRequired: false,
+            enumProvider: commonEnumProviders.groupMembers(),
+        }),
+    ],
     helpString: `
         <div>
             Triggers a message generation. If in group, can trigger a message for the specified group member index or name.