diff --git a/ObservatoryFramework/ObservatoryFramework.xml b/ObservatoryFramework/ObservatoryFramework.xml
index b9a810a..5d8abb0 100644
--- a/ObservatoryFramework/ObservatoryFramework.xml
+++ b/ObservatoryFramework/ObservatoryFramework.xml
@@ -479,5 +479,75 @@
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+ Shared application HttpClient object. Provided so that plugins can adhere to .NET recommended behaviour of a single HttpClient object per application.
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+ Class permitting plugins to provide their UI, if any, to Observatory Core.
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+ Type of UI used by plugin.
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+ UI object used by plugins with UIType.Avalonia.
+ (Untested/not implemented)
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+
+
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+ Collection bound to DataGrid used byu plugins with UIType.Basic.
+ Objects in collection should be of a class defined within the plugin consisting of string properties.
Each object is a single row, and the property names are used as column headers.
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+
+
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+ Instantiate PluginUI of UIType.Basic.
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+ Collection bound to DataGrid used byu plugins with UIType.Basic.
+ Objects in collection should be of a class defined within the plugin consisting of string properties.
Each object is a single row, and the property names are used as column headers.
+
+
+
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+ Instantiate PluginUI of specified UIType.
+ (Untested/not implemented)
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+ UIType for plugin.
+ Avalonia control to place in plugin tab.
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+
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+ Options for plugin UI types.
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+ No UI. Tab will not be added to list.
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+ Simple DataGrid, to which items can be added or removed.
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+ AvaloniaUI control which is placed in plugin tab.
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+ UI used by Observatory Core settings tab.
+ Not intended for use by plugins.
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+