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Improve ros2 lifecycle set transition help #1271

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Improve ros2 lifecycle set transition help #1271

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4 changes: 3 additions & 1 deletion ros2lifecycle/ros2lifecycle/verb/set.py
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Expand Up @@ -40,7 +40,9 @@ def add_arguments(self, parser, cli_name): # noqa: D102
'--include-hidden-nodes', action='store_true',
help='Consider hidden nodes as well')
parser.add_argument(
'transition', help='The lifecycle transition')
'transition',
help='The lifecycle transition. Use `ros2 lifecycle list NODE_NAME` '
'to see transitions available from the current state')
parser.add_argument(
'--timeout', metavar='N', type=float,
help='Maximum time to wait for response in seconds '
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