The Power Automate Reverse function changes the arrangement of elements in a collection by reversing their order. This operation, when combined with the sorting function, can result in the sorting of items in a descending sequence.
In this article, I’ll introduce you to the reverse function and will provide a step-by-step guide on how to use the function in a Microsoft flow.
Power Automate Reverse Function
Invert the arrangement of elements in a collection. Utilizing this function in combination with sort() enables sorting a collection in descending order.
Syntax
reverse([<collection>])Input parameters
- collection (mandatory): The collection to be reversed.
Return value
- Returns the given collection in reverse order.
Power Automate Reverse Expression Example
reverse(createArray(1,2,3))
=> [3,2,1]
// reverse expression with variable
reverse(variables('myCol'))How To Use The Power Automate Reverse Function
Follow the steps to use the Power Automate Reverse function in a flow.
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Create a new flow with trigger ‘Manually trigger a flow’
New flow
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Add a new step by clicking on ‘+ New step’
Add a new step
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Search for ‘initialize’ and click on ‘Initialize variable’
Add Initialize variable action
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Setup Initialize variable: 1) Provide a name, 2) select type Array, 3) Set value to ‘[1,2,3]’
Setup variable
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Add a compose step by searching for ‘compose’ and clicking on ‘Compose’
Add Compose action
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Setup compose action: 1) click into Inputs (popup appears), 2) click on ‘Expression’, 3) set expression to ‘reverse(variables(‘myCol’))’ 4) click on ‘OK’
Setup reverse expression in Power Automate
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Save and do a test run
Result test run – Power Automate reverse function example