3 Types of KB Passengers

inputs	conductors	observers

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| | actionButton() | reactive() | observe() | | selectInput() | eventReactive() | observeEvent() | | reactiveValues() | renderText() | textOutput() |

Inputs are reactive sources. Reactive endpoints are called observers because they observe changes to inputs.
Conductors act like both sources and endpoints. They depend on inputs, but they also provide inputs to other reactives.

Last updated on May 1, 2023