> For the complete documentation index, see [llms.txt](https://docs.ladybug.tools/ladybug-tools-academy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ladybug.tools/ladybug-tools-academy/urban-energy-with-dragonfly/assigning-programs.md).

# Assigning Programs

A walkthrough on how to assign programs to your Dragonfly models using the library of programs that ships with Ladybug Tools.

Programs (aka. Space Types) dictate default schedules for the usage of Rooms along with capacities for occupancy, lighting, equipment, etc. If you haven't already, consider watching a complimentary video from our [Energy](https://docs.ladybug.tools/ladybug-tools-academy/energy/) series: [Assigning Program](/ladybug-tools-academy/energy/assigning-program.md).

Check out the [Introduction](/ladybug-tools-academy/urban-energy-with-dragonfly/introduction.md) page to find sample files used in this video.

{% embed url="<https://youtu.be/ZyAx_-SNmV8>" %}