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PlacementConstraint

Source code in docs_src/capo_ecs/types/placement_constraint.py 
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class PlacementConstraint(TypedDict, closed=True):
    type: NotRequired[
        "capo_ecs.types.placement_constraint_type.PlacementConstraintType"
    ]
    """<p>The type of constraint. Use <code>distinctInstance</code> to ensure that each task in a particular group is running on a different container instance. Use <code>memberOf</code> to restrict the selection to a group of valid candidates.</p>"""
    expression: NotRequired["capo_ecs.types.string.String"]
    """<p>A cluster query language expression to apply to the constraint. The expression can have a maximum length of 2000 characters. You can't specify an expression if the constraint type is <code>distinctInstance</code>. For more information, see <a href="https://docs.aws.amazon.com/AmazonECS/latest/developerguide/cluster-query-language.html">Cluster query language</a> in the <i>Amazon Elastic Container Service Developer Guide</i>.</p>"""

expression instance-attribute 

expression: NotRequired[String]

A cluster query language expression to apply to the constraint. The expression can have a maximum length of 2000 characters. You can't specify an expression if the constraint type is distinctInstance. For more information, see Cluster query language in the Amazon Elastic Container Service Developer Guide.

type instance-attribute 

type: NotRequired[PlacementConstraintType]

The type of constraint. Use distinctInstance to ensure that each task in a particular group is running on a different container instance. Use memberOf to restrict the selection to a group of valid candidates.