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Approvals Based on Yes/No Responses to Form

I am building a workflow that will send an Approval.  I would like the approval to be sent to email addresses based on yes/no responses in a Microsoft Form.  There are 4 yes/no questions and for each "yes," the approval should go to a specific person.  How can I do this without setting up 10+ conditions?  I was hoping I could use an IF Expression with Dynamic Content.  Am I on the right track?  

Super User
Super User

If you have 4 yes/no questions, you would only need 4 Conditions. They don't have to be nested conditions.




I guess it depends more on how these people are identified and what you are looking for with the approval process.

Helper I
Helper I

I'm thinking you can use an expression with If to define if you want that person to be sent the approval or not. Something like:

if(equals(outputs('Get_response_details')?['body/replace this part with your own form's response'],'Yes (or yes or whatever your output from the form is)'),'email address;','')

 make sure you use the correct get response details output from your own flow. I left a ; in case that's the delimiter required for the approvals connector. I can't remember if it is necessary or not.

I tried this and the flow accepted it without error, but then when I went to test it, the flow failed.  See the message below.  I have 4 of the if(equals() functions separated by ; .  The form I use has the Yes/No options coming from multiple choice questions.  I marked 3 of them yes and 1 no.  Here is the message I received; any suggestions?


InvalidTemplate. Unable to process template language expressions in action 'Start_and_wait_for_an_approval_3' inputs at line '0' and column '0': 'The template language function 'if' expects three parameter: the condition to test as the first parameter, the value to return if the condition is true as the second parameter, and the value to return if the condition is false as the third parameter. The function was invoked with '1' parameter(s). Please see for usage details.'.

I don't know what expression you are using, but the Invalid Template message is due to missing a piece of the expression. Basically your formula is written incorrectly.


The if() function requires 3 pieces or parameters:

  • if(1,2,3)
  • if({test}, {output if true}, {output if false})

The if() expression is basically the same as how the =if() is used in Excel


The equals() function requires 2 pieces or parameters:

  • equals(1,2)
  • equals({object 1}, {object 2}) 

The result of an equals() function will be true or false depending on if the two objects are equal.

  • equals( 'Bill', 'Susan') = false Bill does not equal Susan
  • equals( 'Bill', 'Bill' ) = true Bill does equal Bill


Usually the if() function will have an additional function(s) within the first parameter {test} part in order to produce a true or false result:

if(equals( 'Bill', 'Susan' ), 'Blue' , 'Yellow' ) = expression output will be 'Yellow' because Bill=Susan is false therefore the if output is 'Yellow'


if(equals( 'Bill', 'Bill' ), 'Blue' , 'Yellow' ) = expression output will be 'Blue' because Bill=Bill is true therefore the if output is 'Blue'



The InvalidTemplate is saying that you have an if() statement, but it doesn't have 3 pieces. This means somehow you wrote the expression so that the parameters aren't separated correctly.


Basically you need to double check your expression and make sure you have the commas , in the correct place as well as any single quotes 'text' around text.

Also look at your open ( and close ) parenthesis and see if they are in the correct place.


This expression below says "If the form response equals() 'Yes' then return 'emailaddress;' else return '' blank:

if(equals(outputs('Get_response_details')?['body/abc123'],'Yes'),'email address;','')


See Reference of Functions for Expressions for more info about if() and equals() functions.


If you show a screenshot of the expression you wrote and/or a copy of the text of the expression, we can look and see where the error might be.

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