The Power Automate ToUpper function lets you convert all characters of a given string to uppercase.
Its counterpart is the toLower function, that lets you convert all characters of a given string to lowercase.
In this article, I’ll introduce you to the toUpper function and will provide a step-by-step guide on how to use the function in a Microsoft flow.
Power Automate ToUpper Function
Convert the input string to all uppercase letters and keep any characters that don’t have a uppercase version in their original form in the returned string.
Syntax
toUpper('<text>')Input parameters
- text (mandatory): The string in uppercase format to be returned.
Return value
- Returns a string in uppercase based on the given text.
Power Automate ToUpper Expression Example
toUpper('abcDef123')
=> ABCDEF123How To Use The Power Automate ToUpper Function
Follow the steps to understand how to use the toUpper function in a Microsoft 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 clciking on ‘+ New step’
Add a new step
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Search for ‘initialize’ and click on the ‘Initialize variable’ action
Add Initialize variable action step
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Setup Initialize variable action: 1) Set a name, 2) Select ‘String’ as type, 3) Set value to ‘Power AutoMATE toupper #!?’
Configure Initialize variable action
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Add a compose step: search for ‘comppose’ and click on the ‘Compose’ action
Add Compose action step
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Configure compose: 1) Click into Inputs text field (popup appears), 2) click on ‘Expression’, 3) set expression to ‘toupper(variables(‘myText’))’, 4) click ‘OK’
Cerate toUpper Power Automate expressioin
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Save and do a test run
Result Test run – Power Automate toUpper function