# Welcome to the Highcharts Maps JS (highmaps) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# mapNavigation.buttons.zoomIn

Options for the zoom in button. Properties for the zoom in and zoom out buttons are inherited from mapNavigation.buttonOptions, while individual options can be overridden. By default, the `onclick`, `text` and `y` options are individual.