![Screenshot of the channel options page, with several fields to configure the forbidden words.](/peertube-plugin-livechat/images/bot_forbidden_words.png?classes=shadow,border&height=400px "Forbidden words configuration")
![Screenshot of a chat message that was deleted, with the following reason: "No url allowed".](/peertube-plugin-livechat/images/bot_deleted_message.png?classes=shadow,border&height=100px "Deleted message")
You can fill several "{{% livechat_label livechat_configuration_channel_forbidden_words_label %}}" fields.When a user sends a message that match the configured criteria, the message will automatically be deleted.
To get some examples, please check these [forbidden words suggestions](https://framagit.org/Livingston/peertube-plugin-livechat/-/tree/main/support/forbidden_words).
If you have some usefull words lists, you are welcome to contribute to this suggestion page.There are in the `support/forbidden_words` folder of the livechat source code.See the [contribution guide](/peertube-plugin-livechat/contributing/) for more information.
You can combine a short [moderation delay](/peertube-plugin-livechat/documentation/user/streamers/moderation_delay) (1 second for example) with the [moderation bot](/peertube-plugin-livechat/documentation/user/streamers/bot) to delete messages containing swear words before any non-moderator user will see them.
This features is still experimental.There might be some issues with non-latin alphabets.You can [open an issue](https://github.com/JohnXLivingston/peertube-plugin-livechat/issues) to report your problems.
By checking this option, each line of the "{{% livechat_label livechat_configuration_channel_forbidden_words_label %}}" field will be considered as a [regular expression](https://en.wikipedia.org/wiki/Regular_expression).
![Screenshot of the channel options. There is a form with multiple fields.](/peertube-plugin-livechat/images/channel_configuration.png?classes=shadow,border&height=400px "Channel configuration")