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Connor55
Level 8

Patch Function - How to add to current value

My goal is to add a value to an existing record value via a patch function.  What's the best way to do this?

 

Patch(ScratchInventoryCollection,First(Filter(ScratchInventoryCollection,Bar_Code=ThisItem.Bar_Code)),{InStock: (ExistingValue??) + Value(QuantityInput.Text)})

 

I'm just not sure how to reference the existing value.  Thanks!

1 ACCEPTED SOLUTION

Accepted Solutions
Connor55
Level 8

Re: Patch Function - How to add to current value

SOLVED!

 

I just added .InStock to that First/Filter function and it worked.  

 

Solution:

Patch(PullSheetCollection,First(Filter(PullSheetCollection,Bar_Code=ThisItem.Bar_Code)),
{InStock:First(Filter(PullSheetCollection,Bar_Code=ThisItem.Bar_Code)).InStock+Value(QuantityInput.Text)})

View solution in original post

3 REPLIES 3
dynamicsedge
Level 10

Re: Patch Function - How to add to current value

@Connor55 

 

You should be able to just reference it directly through a Gallery control and/or variable.

 

What's the data type in the Collection column?

You may need to Value(the existing value) for the addition, but use Text(on the whole clause) to turn the added number back to a string, if the Collection expects not a number but a string.

Connor55
Level 8

Re: Patch Function - How to add to current value

@dynamicsedge 

 

The data type is a number.  I tried ThisItem.InStock + Value(InputQuantity), but it uses the value from the wrong collection.  I need the value from a collection that isn't currently selected.

 

I'm using this to find the record to update:

First(Filter(ScratchInventoryCollection,Bar_Code=ThisItem.Bar_Code))

 

The barcode is acting as a unique identifier to that item/record.

 

From that First/Filter function, how do I select the value of the InStock column?

 

Connor55
Level 8

Re: Patch Function - How to add to current value

SOLVED!

 

I just added .InStock to that First/Filter function and it worked.  

 

Solution:

Patch(PullSheetCollection,First(Filter(PullSheetCollection,Bar_Code=ThisItem.Bar_Code)),
{InStock:First(Filter(PullSheetCollection,Bar_Code=ThisItem.Bar_Code)).InStock+Value(QuantityInput.Text)})

View solution in original post

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