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User access settings can be modified two ways - through Periscope and through Niagara. To edit through Periscope, navigate to the General Settings page under the Settings menu, and change the sliders to the desired settings.
Users can also be converted to read-only access in Niagara by adding a baja:Boolean marker tag of ID "hs:readOnly" to a Periscope user rec, located in PeriscopeService/PeriscopeDatabase/Users. Setting the value to "true" will restrict the user from editing any dashboard Views or Viewlets.
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