How to link your Landscape boundaries with your ArcGIS online boundary layer
This feature is available as a part of the Connections Add-on.
Landscape allows full integration between your Landscape record boundaries and your ArcGIS boundaries, meaning edits to ArcGIS will be reflected in Landscape, and that those edits can only be made by designated individuals. This is particularly useful for large organizations with dedicated GIS staff who want to maintain just a single set of boundary files.
How it works
Every record in Landscape has a 'Record ID' number. This is the number that you see in the url at the top of the page when viewing a record. It is also visible and exportable in a 'Records' Data View as 'Id'.
You will need to add a 'Landscape ID' column to your existing boundary layer in ArcGIS and fill it in with the appropriate Landscape IDs. After the integration is enabled Landscape will use this ID to lookup the matching ArcGIS data.
Once a property is synchronized, the boundary layer will not be editable in Landscape.
Complex Record Boundaries
In Landscape, boundaries are passed UP through record structure, so that the boundary of a Parent record (like a Group with Properties or a Property with Parcels) will always be automatically created from its sub-records. If overridden (you manually upload a boundary to a Group record, for example) then that override will stand until the sub-record boundaries are edited, therefore kicking off the re-drawing of the parent from the sub-records.
From a GIS data management standpoint, this means that it is best practice to track your record boundaries at the most granular level possible. For example, subdivided easements should have boundaries for each of the subdivided portions (if those portions are tracked as Parcels in Landscape), Fee preserves that are made up of multiple acquisitions should be tracked at the acquisition (/Property) level, etc.
See this article on Properties, Parcels, and Groups for more information.
Setting up the integration
Instructions for setting up the integration can be found here.
Adding a new synchronized boundary
To add a new synchronized boundary to your data set, you first need to add a new Property to Landscape. Then, when you have the ID, you will add the ID to the boundary in your ArcGIS data set. This will cause the boundary to be synchronized, and it will appear in Landscape.
Synchronization timing
Synchronization happens once per day, but can be initiated manually from the integrations page.