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Creating an 'if' expression in Power Automate



Wondering if anyone could advise please.


I’m attempting to create an ‘if’ expression in the body of one of my flows that handles data from Forms. I need the flow to only include an answer (in an email that is sent to the help desk), only if another question is answered ‘yes’, for example:


Forms question 1: Do you wish to remote into your PC?

Forms question 2 (will only show if question 1 is answered with ‘yes’): Enter the host name of your computer


I need the flow to only add the hostname (from question 2) (into the email that is sent) if question 1 is answered with ‘yes’.


For testing purposes, I have tried the following expression for the first part (to check if the answer is ‘yes’ or ‘no’):


if(triggerBody()?['rcee21e8ca796498da50d37db60e7bd92'],'rdp required','rdp not required')


but I see the following error when testing:


InvalidTemplate. Unable to process template language expressions in action 'Send_an_email_(V2)' inputs at line '1' and column '2843': 'The template language function 'if' expects its first parameter to be of type boolean. The provided value is of type 'String'. Please see for usage details.'.


My idea is that the hostname (from question 2) will only be stated in the email if question 1 is answers with ‘yes’.


Any help would be appreciated.



Super User
Super User

hi @Kazashimo  what you nedd is add a correct condition see this examples


If you want to compare with a custom value use equals.


if(equals(body('Get_response_details')?['r80d9e12f9d7c429ea192e3bceac26133'],'CustomValue'),'Exist','Not Exist')
See this expresion:  equals(body('Get_response_details')?['r80d9e12f9d7c429ea192e3bceac26133'],'CustomValue') is a true of false expresion.
so if the answer that users sends is equals to a custom value then write exist or if not write Not exist.
see this other example to see if a value is empty.
if(empty(body('Get_response_details')?['r80d9e12f9d7c429ea192e3bceac26133'])),'Empty','Not Empty')

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