Depending on how you implemented your tab
- implementing the
Glimpse.Core.Extensibility.ITab
- inheriting from
Glimpse.Core.Extensibility.TabBase
,Glimpse.Core.Extensibility.TabBase<T>
orGlimpse.AspNet.Extensibility.AspNetTab
you must make sure that you implement/override the RuntimeEvent ExecuteOn
property so that it runs at RuntimeEvent.BeginSessionAccess
or RuntimeEvent.EndSessionAccess
because by default it is RuntimeEvent.EndRequest
which is too late for Session access