Can we perform NLU tasks (entity extration) in custom actions?

In my project, i need to extract entities from a text message inside a custom action. Can we do that?

for any input,the flow which i am trying to work on is-

  1. nlu classifies intent and extracts the entities.
  2. now a custom action runs, where i get the last_message and make some changes to it to get a new message.
  3. for the new message, i again want to extract entities. And then finally produce the output

Is this possible? I am stuck with the third step. How can we proceed with this?

You may for example run an NLU server and call it via it’s REST API from within your action.

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This seems to work! Thanks a lot