The code samples presented here demonstrate various workflows using the ArcGIS Experience Builder SDK. To run the samples in your developer edition of Experience Builder, clone the arcgis-experience-builder-sdk-resources GitHub repository.
Copy the sample to the client/your-extensions/widgets or client/your-extensions/themes folder of Experience Builder. See the installation guide section to learn how to download and install Experience Builder.
More custom widgets samples can be found at the community shared by talented developers.