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Power Platform Community / Forums / Power Automate / Variables on Blank Dates
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Variables on Blank Dates

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Posted on by Community Power Pla... Microsoft Employee

I have a flow set up where I have a few variables that display the dates from a record in a user friendly format:

 

Capture.PNG

 

These work perfectly when the date fields are all filled in, however if one is left blank the flow fails. 

 

I think I may need a condition put in somewhere but not sure where to start

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Building flows
I have the same question (0)
  • jhall Profile Picture
    jhall 636 on at

    Do note that "date" values in Flow are just formatted strings.  So you can use string tools to check for invalid dates.  Using a Condition step to see if the string is blank.  

     

    A quick search showed this thread which covers the main idea along with some ancillary side discussions on this:  https://powerusers.microsoft.com/t5/Building-Flows/Flow-failing-due-to-Null-value/td-p/55527

     

    This also probably starts you down a road of considering how/where data validation should occur in your particular environment/application.  Flow currently isn't the best at this in some scenarios, but given that it treats dates as strings you can DIY it with one or more Condition steps.

  • Verified answer
    v-yuazh-msft Profile Picture
    v-yuazh-msft Microsoft Employee on at

    Hi @Anonymous,

     

    Could you please share the full screenshot of the configuration of your flow?

     

    As @jhall said, you could add a condition to check if the date field is blank before you format the date.

    Capture.PNG

    And the expression in the Condition should as below:

    @not(empty(triggerBody()?['Date']))

     

    Best regards,

    Community Support Team _ Alice Zhang
    If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

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