Defined in github.com/aws/aws-sdk-go/service/swf/api.go
Optional. The priority assigned for the decision tasks for this workflow execution. Valid values are integers that range from Java's Integer.MIN_VALUE (-2147483648) to Integer.MAX_VALUE (2147483647). Higher numbers indicate higher priority.
For more information about setting task priority, see Setting Task Priority (http://docs.aws.amazon.com/amazonswf/latest/developerguide/programming-priority.html) in the Amazon Simple Workflow Developer Guide.