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MaxPP
Frequent Visitor

How to Clear a date field in CDS using Flow

Hi,

 

Is there a way clear a date field in CDS using flow?

Use Case:

 

Book due Date = 2/24/2020

I need to clear the date and set it back to blank (---)

 

Thanks for the help

 

Max Tampa

14 REPLIES 14
Jcook
Most Valuable Professional
Most Valuable Professional

Hi,
Do you have a flow already setup?

Or did you need help creating the flow?

Basically just update the record with a space in the date field

—Josh
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@Jcook 

 

Hi Josh,

 

I tried the space and got the following error

 

{"error":{"code":"0x80040239","message":"DateTime is less than minumum value supported by CrmDateTime. Actual value: 01/01/0001 00:00:00, Minimum value supported: 01/01/1753 00:00:00","innererror":{"message":"DateTime is less than minumum value supported by CrmDateTime. Actual value: 01/01/0001 00:00:00, Minimum value supported: 01/01/1753 00:00:00",

Jcook
Most Valuable Professional
Most Valuable Professional

@MaxPP 

What about if you try to use the expression null?

 

—Josh

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@Jcook 

 

Hi Josh, same error with null expression

PowerBack19
Impactful Individual
Impactful Individual

@MaxPP - I just tested using NULL from an Expression to clear the field and it works just fine...IF you use the newer Common Data Service (current environment) connector. The only way you can use this connector is to create the flow from a Solution.

 

Within Power Automate, click on "Solutions" on the left-hand side. Fill in all the appropriate information to create the Solution. Once created, open the Solution, then click "+New" at the top and choose "Flow". This will launch a new browser tab. In the search field when searching for connectors, type in "Common Data Service". You will see 2 listed...be sure to choose the one called "Common Data Service (current environment)". 

 

By using this new connector, there are other things to be aware of, but that can be addressed if needed.

@PowerBack19 

 

I am not sure why I do not see the (current Environment connector). I created a solution and then added a new flow from inside the solution.

 

 
 
 

 

Thanks

Max

Annotation 2020-02-28 120307.png

Jcook
Most Valuable Professional
Most Valuable Professional

@MaxPP 

You wont be able to add the Flow to the solution..

The only way would be to create a New Flow inside the solution.

 

—Josh
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My Original flow was created inside the solution. What is the expression syntax you are using to set the null?

John_Holmes99
Regular Visitor

Has anyone actually got this to work?  It seems incredible that something so easily achieved in a Standard Workflow can't be done in Flow or Logic Apps.

 

I have (like others) tried all variants of Null including the Expression with the various CDS connectors and none of them seem to work.

 

Looks like I am going to have to resort to creating a Flow for part of my update then trigger a Workflow to clear the fields afterwards unless anyone can help.

Hello @John_Holmes99 , @MaxPP

Try this:
https://www.agileo365.com/2019/03/blanking-out-date-fields-in-dynamics.html?m=1

—Josh
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Still get an error using this expression 

converttimezone(null,'GMT Standard Time','GMT Standard Time')

 

InvalidTemplate. Unable to process template language expressions in action 'Clear_Fields' inputs at line '1' and column '2988': 'The template language function 'converttimezone' expects its first parameter to be a string that contains the time. The provided value is of type 'Null'. Please see https://aka.ms/logicexpressions#ConvertTimeZone for usage details.'.

@John_Holmes99 

Please try the recommendation from the blog I shared above.

 

—Josh
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tried all that - couldn't get it to work so reverted to a Workflow

@MaxPP - The screen shot you provided is the list of actions and not the list of connectors. The list of connectors is above the actions. Below is an example. There are 2 listed. However, if you hover over the second one you will see it's named "Common Data Service (current environment)"

 

Search for Common Data Service - current environment.png

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