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yogip3177
May 29, 2026
Question

Unable to Use @Mentions in a!eventHistoryListField

  • May 29, 2026
  • 6 replies
  • 1 view

Hello Everyone,

I am facing an issue with the Event History List (a!eventHistoryListField). I am not able to mention/tag users (using @, for example @ABC) while adding top-level comments.

Has anyone used this feature successfully with eventHistoryListField? Any inputs or suggestions would be really helpful.

Thanks in advance!

Regards,

6 replies

stefanhelzle0001
stefanhelzle0001
May 29, 2026

Did you configure the "mentionableUsers" attribute?

shubhama926776
shubhama926776
June 1, 2026

@mention for top-level comments only when eventStyle is set to the Comment List style, allowUsersToComment is true on a!eventData(), and mentionableUsers is populated with the users or groups allowed to be tagged. Only users within mentionableUsers will appear in the @ picker and receive email notifications when mentioned.

Y
yogip3177Author
June 1, 2026

[mention:a11f77a729fb4db2af76b09948583328:e9ed411860ed4f2ba0265705b8793d05]  and [mention:9861aef97eb2483a8b76175d9eda1e37:e9ed411860ed4f2ba0265705b8793d05] thanks for your inputs. Yes, it is working after adding the mentionableUsers attribute.

I initially thought this was an optional attribute used only when we need to restrict mentionable users.

Regards,

Y
yogip3177Author
June 2, 2026

 Hi [mention:a11f77a729fb4db2af76b09948583328:e9ed411860ed4f2ba0265705b8793d05] and [mention:a11f77a729fb4db2af76b09948583328:e9ed411860ed4f2ba0265705b8793d05] ,

I have a couple of follow-up questions regarding user mentions.

When a user mentions another user using @user, Appian sends an email notification to the mentioned user. Please see the sample email below.

Could you please clarify the following:

  1. Can we configure or customize the email subject?
  2. How is the word "Expense" being populated in the email body?

Thanks in advance for your help.

Regards,

shubhama926776
shubhama926776
June 2, 2026
Can we configure or customize the email subject?

No configuration available.

How is the word "Expense" being populated in the email body?

That comes from the title configured for the event record.

Y
yogip3177Author
June 2, 2026

[mention:9861aef97eb2483a8b76175d9eda1e37:e9ed411860ed4f2ba0265705b8793d05] thanks for the quick reply.

Yes, the Record Tile is being used in the email body. I appreciate your help.

Regards,

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