Include a dygraph plugin
dyPlugin(dygraph, name, path, options = list(), version = "1.0")A dygraph with the specified plugin enabled.
You can use dygraphs plugins to customize the appearance of dygraphs as well as add new interactive behaviors. For additional information on creating dygraphs plugins see the dygraphs plugins documentation. Once you've created a dygraphs plugins you can use the dyPlugin function to create an R wrapper for it. See https://rstudio.github.io/dygraphs/gallery-plugins.html for details on how to do this.