how to loop a!completeTask function and save the result

Question

how to loop a!completeTask function and save the result 
 
 i have list of task ids and list of task inputs,on click of a button it should be able to complete tasks using a!completeTask function in a loop,but am unable to do it in a loop.Can anyone help on this? 
 a!buttonWidget( label: "complete task", saveInto: { /* how to write the below function in loop and how to save it using a!save function*/ a!completeTask( taskId: tointeger(ri!selectedTaskIDs ), taskInputs: { input: ri!taskInput }, onSuccess: a!save(ri!message, "Updated Successfully"), onError: a!save(ri!message, "Already Updated") ) }, style: "PRIMARY" )

Thanks in advance

Kevin Gajewski · Accepted Answer

Only one smart service can be executed inside the saveInto of a component on an interface, per our documentation: docs.appian.com/.../executing_smart_services.html 
 
Since a!completeTask only takes a single taskId you won't be able to achieve what you are looking to do this way. Instead, you could start a process when the button is clicked that takes all the taskIds as a parameter and then loops through the taskIds with the Complete Task smart service inside that process.

how to loop a!completeTask function and save the result

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