# MVVM on Android, Episode 4: Model the Repository | raywenderlich.com

**URL:** <https://forums.kodeco.com/t/mvvm-on-android-episode-4-model-the-repository-raywenderlich-com/178380>\
**Category:** 🎓 Courses & Articles\
**Created:** [September 16, 2022, 9:03am UTC](https://forums.kodeco.com/t/mvvm-on-android-episode-4-model-the-repository-raywenderlich-com/178380 "2022-09-16T09:03:01Z")\
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**Author:** ![fleepgeek](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/fleepgeek/32/108464_2.png) [@fleepgeek](https://forums.kodeco.com/u/fleepgeek)\
**Post date:** [September 16, 2022, 9:03am UTC](https://forums.kodeco.com/t/mvvm-on-android-episode-4-model-the-repository-raywenderlich-com/178380/1 "2022-09-16T09:03:01Z")

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Create a repository interface for saving your Model data, and implement a concrete version of the repository using the Room database library.

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This is a companion discussion topic for the original entry at [https://www.raywenderlich.com/34930785-mvvm-on-android/lessons/4](https://www.raywenderlich.com/34930785-mvvm-on-android/lessons/4)