I am passing the parameters using the task_parameter in the taskscheduler

How did you add the parameters to the pipeline? Did you refer to this example?
None

but facing the pipeline invalid error

now I want to access this parameters into the pipeline and pass it along to step one for which I am using the above snippet

So this parameters are to be recieved into my pipeline task

So, I am passing my parameters which I need to change in the task-scheduler file by the code:

Hi @<1533619725983027200:profile|BattyHedgehong22> , can you please elaborate on this? Can you add a snippet that reproduces this?