Hiya is it possible to use a string concatenation of a task

Question

Hiya is it possible to use a string concatenation of a task result as an input parameter to a downstream task thread

Oliver Mannion · Answer

``` task def determine batch start and end gt Tuple str str now = pendulum now tz= UTC batch start batch end = get last hour now return batch start batch end def build flow flow name str gt Flow with Flow flow name as flow batch start batch end = determine batch start and end create flow run flow id=settings flow id run name=f br str batch start return flow```

Oliver Mannion · Answer

I d like `run name` to be something like `br 2022 07 01 07 00 00` but it ends up being `br lt Task determine batch start and end 0 gt `

Anna Geller · Answer

you would need to solve it using separate task as described here <https discourse prefect io t how to dynamically change the run name in the create flow run task 97 solution 1>

Anna Geller · Answer

or here <https discourse prefect io t how to customize how the name of a task triggering a child flow run is displayed in the parent dag i e how to override the default task name create flow run 476|https discourse prefect io t how to customize how the name of a task triggering a chi how to override the default task name create flow run 476>