To select multiple of data you have to enabled a function Allow multiselect of map entites in the Settings.
  1. Select multiple of data on the map 


Note: To select a data on the map, just click, hold and drag mouse (cursor)


  1. The selected data are highlighted green
  2. Switch on the data form



  1. Change a data



  1. You will be asked if you want to change values of multiple records



  1. If you click on Yes, then it will change all selected data
  2. If you click on No, then it will change only one record