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The Print widget connects the web app with a printing service to allow the current map to print. Users have the additional option to include a legend in print if they wish.
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The Print widget itself does not cater for legends that may need to overflow to another page. This is controlled by the underlying Print Service. If you want to create service that allows for this, check out this this ArcGIS Export Web MapWebMap Tool (ArcMap Version | ArcGIS Pro Version) created by Shaun Weston at Eagle Technology. This will create a map layout based of an MXD a template and webmap input. It will also create a seperate legend page for maps with a number of layers. |
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