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In the Edit Site window, each class is accessible by clicking on the class name banner. Doing this will expand the class, allowing you to view the individual attributes and edit the values how you would like. Once your edits are complete, click Save at the bottom of the Edit Site form.
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Editing Multiple Sites
Start by selecting sites using a search or map tool, then open the data grid. Find the sites that you want to edit and queue then using the checkmark. Once queued, select the Global Edit button 
from the data grid functions.
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