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JoeVolk Helper I
Helper I

Run flow only if fields have values

I have a Flow that I want to run when an item is modified but only if 2 fields have values as they are important pieces that need to be included when a task is assigned to users. What I have in place now that isn't working is a condition that evaluates the two fields but that throws an error. Here is my formula: 

and(equals(triggerBody()?['ProductFamily']?['Value'], ''), equals(triggerBody()?['Customers']?['Value'], '')). 
 
The error I receive is this: 
InvalidTemplate. Unable to process template language expressions for action 'Condition_2' at line '1' and column '2494': 'The template language expression 'equals(and(equals(triggerBody()?['ProductFamily']?['Value'], ''), equals(triggerBody()?['Customers']?['Value'], '')), True)' cannot be evaluated because property 'Value' cannot be selected. Array elements can only be selected using an integer index. Please see https://aka.ms/logicexpressions for usage details.'.
 
Any ideas?
1 ACCEPTED SOLUTION

Accepted Solutions
Community Support
Community Support

Re: Run flow only if fields have values

Hi @JoeVolk,

 

Does the ProductFamily and the Customers field are both choice type column allow multiple selections?

 

I have made a test on my side, if the ProductFamily and the Customers field are both choice type column allow multiple selections, you couldn't get the single value from the ProductFamily array value and the Customers array value.

 

You could take a try to compare the length of the ProductFamily array or the Customers array with 0 to see if the ProductFamily array or the Customers array is null.

 

The screenshot of the flow should as below:

Capture.PNG

 

The expression in the Condition as below:

@and(equals(length(triggerBody()?['ProductFamily']), 0), equals(length(triggerBody()?['Customers']), 0))

When an item is created and the ProductFamily and the Customers field are both null, the flow would run successfully as below:

Capture.PNG

 

 

Best regards,

Alice

View solution in original post

1 REPLY 1
Community Support
Community Support

Re: Run flow only if fields have values

Hi @JoeVolk,

 

Does the ProductFamily and the Customers field are both choice type column allow multiple selections?

 

I have made a test on my side, if the ProductFamily and the Customers field are both choice type column allow multiple selections, you couldn't get the single value from the ProductFamily array value and the Customers array value.

 

You could take a try to compare the length of the ProductFamily array or the Customers array with 0 to see if the ProductFamily array or the Customers array is null.

 

The screenshot of the flow should as below:

Capture.PNG

 

The expression in the Condition as below:

@and(equals(length(triggerBody()?['ProductFamily']), 0), equals(length(triggerBody()?['Customers']), 0))

When an item is created and the ProductFamily and the Customers field are both null, the flow would run successfully as below:

Capture.PNG

 

 

Best regards,

Alice

View solution in original post

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