Fast AutoDiscover Properties

Sometimes will find crawler discover my object crawler properties automatically.  You need to make sure Category Properties defined to allow auto discover. Check Auto Discover property from Fast Search Administration.(You can go to this from any of Fast Service Management)

Also you can set it from PowerShell:

Set-FASTSearchMetadataCategory  –Name “Category” –DiscoverNewProperties $flag

Flag is true/false

Set-FASTSearchMetadataCategory  –Name “Business Data” –DiscoverNewProperties $true

Also you can add your crawled properties manual using PowerShell:

$guid = [guid]::NewGuid()

New-FASTSearchMetadataCategory -Name MoreWeb -Propset $guid

New-FASTSearchMetadataCrawledProperty -Name ExtendedTitle -Propset $guid -Varianttype 31