The Get-TransportRulePredicate cmdlet displays a list of available rule predicates that you can use in transport rules that are part of the Transport Rules agent in Microsoft Exchange Server 2010.

The predicates available for use on a Hub Transport server and an Edge Transport server are slightly different. For a list of transport rule predicates included with the Get-TransportRulePredicate cmdlet, and to determine which predicates are available on each server role, see Transport Rule Predicates.

You need to be assigned permissions before you can run this cmdlet. Although all parameters for this cmdlet are listed in this topic, you may not have access to some parameters if they're not included in the permissions assigned to you. To see what permissions you need, see the "Transport rules" entry in the Messaging Policy and Compliance Permissions topic.

To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types. If the Input Type field for a cmdlet is blank, the cmdlet doesn’t accept input data.

To see the return types, which are also known as output types, that this cmdlet accepts, see Cmdlet Input and Output Types. If the Output Type field is blank, the cmdlet doesn’t return data.

Example 1

This example returns all available predicates for transport rules used with the Transport Rules agent.

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Get-TransportRulePredicate

Example 2

This example retrieves the single predicate SubjectMatches. The command is piped to the Format-List command to display detailed transport rule predicate information.

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Get-TransportRulePredicate -Name SubjectMatches | Format-List

For more information about pipelining, see Pipelining. For more information about how to work with the output of a command, see Working with Command Output.