class Aws::Scheduler::Types::PlacementConstraint

@see docs.aws.amazon.com/goto/WebAPI/scheduler-2021-06-30/PlacementConstraint AWS API Documentation
@return [String]
valid candidates.
instance. Use ‘memberOf` to restrict the selection to a group of
task in a particular group is running on a different container
The type of constraint. Use `distinctInstance` to ensure that each
@!attribute [rw] type
@return [String]<br>: docs.aws.amazon.com/latest/developerguide/cluster-query-language.html<br><br><br><br>language][1] in the *Amazon ECS Developer Guide*.
`distinctInstance`. For more information, see [Cluster query
cannot specify an expression if the constraint type is
A cluster query language expression to apply to the constraint. You
@!attribute [rw] expression
An object representing a constraint on task placement.