Provides information about a state machine's definition, its IAM role Amazon Resource Name (ARN), and configuration. If the state machine ARN is a qualified state machine ARN, the response returned includes the Map
state's label.
See https://www.paws-r-sdk.com/docs/sfn_describe_state_machine/ for full documentation.
sfn_describe_state_machine(stateMachineArn)
[required] The Amazon Resource Name (ARN) of the state machine to describe.