# Activities

> Activities reference for the ML Services activity package, listing all available activities and their descriptions.

The following table lists the activities that are included in the ML Services activity package.

Table 1. The activities included in the MLServices.Activities package and their descriptions

|  | Description |
| --- | --- |
| [ML Skill](https://docs.uipath.com/activities/other/latest/document-understanding/ml-skills) | Retrieves ML Skills available in AI Center and requests them. |
| [Upload File](https://docs.uipath.com/activities/other/latest/document-understanding/ml-storage-upload) | Allows you to select in which project and dataset you want to send the data back. |
| [Create Labeling Task](https://docs.uipath.com/activities/other/latest/document-understanding/create-labeling-task) | Allows you to select in which project and data labeling session you want to send the data back |