In the current Map Widget for ArcGIS Experience Builder, your choices for setting the initial zoom scale are to either use the web map's setting or set a "custom" zoom with an interactive map in a modal window. Zooming in and out goes by the basemap's preset zoom levels and there is no way to enter a custom scale or "zoom to layer" to get a custom extent that fits your unique geography. I would like to have a way to set a custom extent, either by zooming to a layer's extent and/or by entering a custom scale.
