# Document classification training related activities

> Provides a scope for any classifier activities you want to train. More details [here](https://docs.uipath.com/activities/other/latest/document-understanding/train-classifiers-scope).

## Train Classifiers Scope

Provides a scope for any classifier activities you want to train. More details [here](https://docs.uipath.com/activities/other/latest/document-understanding/train-classifiers-scope).

## Keyword Based Classifier Trainer

Incorporates a keyword-based document classification algorithm and enhances the training set to be used for classification. More details [here](https://docs.uipath.com/activities/other/latest/document-understanding/keyword-based-classifier-trainer).

## Intelligent Keyword Classifier Trainer

Trains the Learning Data added as variables. More details [here](https://docs.uipath.com/activities/other/latest/document-understanding/intelligent-keyword-classifier-trainer).

## Machine Learning Classifier Trainer

Enables base or additional training dataset for creating or updating the ML classifier model. More details [here](https://docs.uipath.com/document-understanding/automation-suite/2023.10/classic-user-guide/machine-learning-classifier-trainer#machine-learning-classifier-trainer).