Firstly you will need to direct the application to the Source Root and Root Config for iShare.
From the Studio select the Map Sources entry in the tree and you will see the following dialog:
MapSource Config
Source Root Dir
This should point to the iShare web site root folder. Use the Browse button 
to locate the correct folder.
Root Config File
This should hold the name of the config file.
My Alerts Database
If you have My Alerts installed then you can configure the connection to the My Alerts database
Connection
Click on the Browse button 
and enter your My Alerts database information.
Synchronise the Map Source/Lay Groups GUIDs
If you wish any changes or deletions to the My House or My Nearest map layers to automatically be updated to the My Alerts database then check this option. If you wish to manually synchronise then you will need to select the Sync MyAlerts GUID from the File menu having first selected the My House node.
Click Save 
to update the configuration details for the Studio.