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Anonymous
Not applicable

How to run a flow from Power Apps which still runs for Blank Values in Drop downs.

‎12-05-2022 02:47 AM

Hi all,

 

I have a flow running from Power apps when the user presses a submit button.

 

There are 5 dropdowns for project choices and then 5 dropdowns for the corresponding percentage (Allocation) to each project. The user must first fill in the drop downs and select a project from each drop down, and then select the Allocation from the drop down next to it.  Now it can be the case that not all 5 are selected, therefore I set AllowEmptySelection to true so the user can just fill in selections for 3 projects for example, instead of all 5, therefore 2 dropdown boxes are left blank.

 

I therefore changed my formula to:

 

'133-TimeAllocationMasterFlow'.Run(If(IsBlank(paEmployee.Text),"",paEmployee.Text),If(IsBlank(paAllocation1.Selected.Value),"",paAllocation1.Selected.Value),If(IsBlank(paProject1.Selected.Name),"",paProject1.Selected.Name),If(IsBlank(paAllocation2.Selected.Value),"",paAllocation2.Selected.Value),If(IsBlank(paProject2.Selected.Name),"",paProject2.Selected.Name),If(IsBlank(paAllocation3.Selected.Value),"",paAllocation3.Selected.Value),If(IsBlank(paProject3.Selected.Name),"",paProject3.Selected.Name),If(IsBlank(paAllocation4.Selected.Value),"",paAllocation4.Selected.Value),If(IsBlank(paProject4.Selected.Name),"",paProject4.Selected.Name),If(IsBlank(paAllocation5.Selected.Value),"",paAllocation5.Selected.Value),If(IsBlank(paProject5.Selected.Name),"",paProject5.Selected.Name)

 

However, it does not accept this. The issue is with the project dropdown i.e., paProject1/2/3/4/5, not the allocation as in power automate I have allowed 0% to be accepted for the allocation.

 

Does anyone know how to run a flow for empty/blank drop downs.

 

Thanks.

 

 

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iAm_ManCat
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In response to Anonymous

‎12-05-2022 07:55 AM

another question around this - was it the Default or the DefaultSelectedItems that you modified? and is it a text field?


@iAm_ManCat
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iAm_ManCat
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In response to Anonymous

‎12-05-2022 07:58 AM

Which one of these parameters is the Text 4?

'133-TimeAllocationMasterFlow'.Run(
   If(IsBlank(paEmployee.Text), Blank(), paEmployee.Text), 
   If(IsBlank(paAllocation1.Selected.Value), Blank(), paAllocation1.Selected.Value), 
   If(IsBlank(paProject1.Selected.Name), Blank(), paProject1.Selected.Name),
   If(IsBlank(paAllocation2.Selected.Value), Blank(), paAllocation2.Selected.Value),
   If(IsBlank(paProject2.Selected.Name), Blank(), paProject2.Selected.Name), 
   If(IsBlank(paAllocation3.Selected.Value), Blank(), paAllocation3.Selected.Value),
   If(IsBlank(paProject3.Selected.Name), Blank(), paProject3.Selected.Name),
   If(IsBlank(paAllocation4.Selected.Value), Blank(), paAllocation4.Selected.Value),
   If(IsBlank(paProject4.Selected.Name), Blank(), paProject4.Selected.Name),
   If(IsBlank(paAllocation5.Selected.Value), Blank(), paAllocation5.Selected.Value),
   If(IsBlank(paProject5.Selected.Name), Blank(),paProject5.Selected.Name)
)

 

Also - I would temporarily remove the navigate option so that you can press the button and see the code error highlighted in the code - worth taking a screenshot of that and sending here


@iAm_ManCat
My blog


Please 'Mark as Solution' if someone's post answered your question and always 'Thumbs Up' the posts you like or that helped you!


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You and everyone else in the community make it the awesome and welcoming place it is, keep your questions coming and make sure to 'like' anything that makes you 'Appy
Sancho Harker, MVP


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Anonymous
Not applicable
In response to iAm_ManCat

‎12-05-2022 08:07 AM

It was the Default I modified. It is not a text field, it is a drop down, of which the options are chosen come from a sharepoint list called 'Projects List' as the data source.

 

Text 4 is the paProject4. 

 

Removing Navigate says there is an invalid number of arguments .

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iAm_ManCat
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In response to Anonymous

‎12-05-2022 08:16 AM

Invalid number of arguments likely indicates that you are missing a closing bracket somewhere as it considers the navigate part of the parameters..

could you paste the whole section of code you are using on that button6?


@iAm_ManCat
My blog


Please 'Mark as Solution' if someone's post answered your question and always 'Thumbs Up' the posts you like or that helped you!


Thanks!
You and everyone else in the community make it the awesome and welcoming place it is, keep your questions coming and make sure to 'like' anything that makes you 'Appy
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Anonymous
Not applicable
In response to iAm_ManCat

‎12-05-2022 08:22 AM

'133-TimeAllocationMasterFlow'.Run(
If(IsBlank(paEmployee.Text), Blank(), paEmployee.Text),
If(IsBlank(paAllocation1.Selected.Value), Blank(), paAllocation1.Selected.Value),
If(IsBlank(paProject1.Selected.Name), Blank(), paProject1.Selected.Name),
If(IsBlank(paAllocation2.Selected.Value), Blank(), paAllocation2.Selected.Value),
If(IsBlank(paProject2.Selected.Name), Blank(), paProject2.Selected.Name),
If(IsBlank(paAllocation3.Selected.Value), Blank(), paAllocation3.Selected.Value),
If(IsBlank(paProject3.Selected.Name), Blank(), paProject3.Selected.Name),
If(IsBlank(paAllocation4.Selected.Value), Blank(), paAllocation4.Selected.Value),
If(IsBlank(paProject4.Selected.Name), Blank(), paProject4.Selected.Name),
If(IsBlank(paAllocation5.Selected.Value), Blank(), paAllocation5.Selected.Value),
If(IsBlank(paProject5.Selected.Name), Blank(),paProject5.Selected.Name),
If(IsBlank(paComments.Text),Blank(),paComments.Text),
Navigate(Thankyou,Fade)
)

 

It accepts this code no issues. The issue comes when i submit it doesn't recognise the blanks still, saying there is an invalid parameter for text 4 - which is the one I have left blank for the purpose of testing. For example, If I leave paProject2 blank, It says invalid parameter for text 2; If I leave Paproject5 blank it says invalid parameter for text 5... and so on...

 

It just doesn't seem to ignore the blanks and continue with running the flow....

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iAm_ManCat
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In response to Anonymous

‎12-05-2022 08:32 AM

Right, so there shouldn't be a navigate inside your flow run parameters as its trying to send that to flow - could you try the below and let me know what it says - I think you are still missing a parameter but will need to know what its saying before I can evaluate further.

 

'133-TimeAllocationMasterFlow'.Run(
If(IsBlank(paEmployee.Text), Blank(), paEmployee.Text),
If(IsBlank(paAllocation1.Selected.Value), Blank(), paAllocation1.Selected.Value),
If(IsBlank(paProject1.Selected.Name), Blank(), paProject1.Selected.Name),
If(IsBlank(paAllocation2.Selected.Value), Blank(), paAllocation2.Selected.Value),
If(IsBlank(paProject2.Selected.Name), Blank(), paProject2.Selected.Name),
If(IsBlank(paAllocation3.Selected.Value), Blank(), paAllocation3.Selected.Value),
If(IsBlank(paProject3.Selected.Name), Blank(), paProject3.Selected.Name),
If(IsBlank(paAllocation4.Selected.Value), Blank(), paAllocation4.Selected.Value),
If(IsBlank(paProject4.Selected.Name), Blank(), paProject4.Selected.Name),
If(IsBlank(paAllocation5.Selected.Value), Blank(), paAllocation5.Selected.Value),
If(IsBlank(paProject5.Selected.Name), Blank(),paProject5.Selected.Name),
If(IsBlank(paComments.Text),Blank(),paComments.Text)
);
Navigate(Thankyou,Fade);

 


@iAm_ManCat
My blog


Please 'Mark as Solution' if someone's post answered your question and always 'Thumbs Up' the posts you like or that helped you!


Thanks!
You and everyone else in the community make it the awesome and welcoming place it is, keep your questions coming and make sure to 'like' anything that makes you 'Appy
Sancho Harker, MVP


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Anonymous
Not applicable
In response to iAm_ManCat

‎12-05-2022 08:44 AM

Yes it is missing a parameter. Receives 12, expects 13. In my flow from powerapps, 13 should be received. However the 13th isn't part of my app, so I do not know how to incorporate. See attached. The paSubmitter is the person submitting to capture how many times they submit and then creates a submission Number for that entry.

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Message 17 of 24
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iAm_ManCat
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In response to Anonymous

‎12-05-2022 03:13 PM

Ok, well I can seey ou've made it a text variable and we need to make it something unique so that you can capture only unique people so we should use their email address or their Office365 GUID/ID.

 

We can use the User() function to get the user details of the person running the app at that moment in time within that instance and then use the Email property from that, like this:

 

'133-TimeAllocationMasterFlow'.Run(
If(IsBlank(paEmployee.Text), Blank(), paEmployee.Text),
If(IsBlank(paAllocation1.Selected.Value), Blank(), paAllocation1.Selected.Value),
If(IsBlank(paProject1.Selected.Name), Blank(), paProject1.Selected.Name),
If(IsBlank(paAllocation2.Selected.Value), Blank(), paAllocation2.Selected.Value),
If(IsBlank(paProject2.Selected.Name), Blank(), paProject2.Selected.Name),
If(IsBlank(paAllocation3.Selected.Value), Blank(), paAllocation3.Selected.Value),
If(IsBlank(paProject3.Selected.Name), Blank(), paProject3.Selected.Name),
If(IsBlank(paAllocation4.Selected.Value), Blank(), paAllocation4.Selected.Value),
If(IsBlank(paProject4.Selected.Name), Blank(), paProject4.Selected.Name),
If(IsBlank(paAllocation5.Selected.Value), Blank(), paAllocation5.Selected.Value),
If(IsBlank(paProject5.Selected.Name), Blank(),paProject5.Selected.Name),
If(IsBlank(paComments.Text),Blank(),paComments.Text),
User().Email
);
Navigate(Thankyou,Fade);

 


@iAm_ManCat
My blog


Please 'Mark as Solution' if someone's post answered your question and always 'Thumbs Up' the posts you like or that helped you!


Thanks!
You and everyone else in the community make it the awesome and welcoming place it is, keep your questions coming and make sure to 'like' anything that makes you 'Appy
Sancho Harker, MVP


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Anonymous
Not applicable
In response to iAm_ManCat

‎12-06-2022 01:18 AM

The formula works perfectly, no longer says missing a parameter or invalid number of arguments. So that is great. However, again when I press submit, if I leave text 3/paproject3 blank, it says invalid value for parameter text 3. See attached. 

 

The problem seems to just be running the flow when there are blank values - it doesn't accept it.

Preview file
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Message 19 of 24
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iAm_ManCat
Most Valuable Professional
Most Valuable Professional
In response to Anonymous

‎12-06-2022 01:30 AM

What is the default and DefaultSelectedItem for the dropdown?

Try clearing both of their formulae, this should leave a blank if the dropdown is set to allow empty selections


@iAm_ManCat
My blog


Please 'Mark as Solution' if someone's post answered your question and always 'Thumbs Up' the posts you like or that helped you!


Thanks!
You and everyone else in the community make it the awesome and welcoming place it is, keep your questions coming and make sure to 'like' anything that makes you 'Appy
Sancho Harker, MVP


Message 20 of 24
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