How do I trigger a custom action from outside with a slash command?

I have a custom action that I want to be triggered from outside, similar to how you can use /restart, e.g. /action_go_to_next_topic.

As far as I know, this is somehow possible for intents, but I do not want it to be tied to intents since the user should not be able to trigger it accidentally. In general, I do not want to mix internal commands with user input.

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Hi @melonlord

You could probably use this code

function customActionTrigger() {
    url: "http://localhost:5055/webhook/",
    type: "POST",
    contentType: "application/json",
    data: JSON.stringify({
      next_action: action_name,
      tracker: {
    success(botResponse, status) {
      console.log("Response from Rasa: ", botResponse, "\nStatus: ", status);

      if (, "responses")) {
      $("#userInput").prop("disabled", false);
    error(xhr, textStatus) {
      // if there is no response from rasa server
      console.log("Error from bot end: ", textStatus);
      $("#userInput").prop("disabled", false);

This calls your action server, You would need to pass a senderID

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