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[4.8 Promoted] BP based function nodes revert to default named pins when placed

When creating a BP based functions, even when pins are renamed from their defaults to proper names, a copy and paste of that node or drag/create of that node from the MyBlueprint tab will result in the newly created pins reverting back to default.

For example:

alt text

Steps to repro:

  • In MyBlueprints tab of a BP, create a new function

  • Focus will shift to the function graph

  • Now create a bunch of input parameters in a row (about 5)

  • Rename them to 1, 2, 3, 4, 5

  • Go back to main event graph

  • Drag the new function on the graph

  • Observe:

alt text

  • Compile BP

  • Drag out your function again

  • Observe:

alt text

This is the drag create variation of this issue, the same can be replicated on already placed function call nodes, if pins are renamed and then the node is copy/pasted. The pasted version will revert the pin back to default name until compile.


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asked Apr 15 '15 at 01:10 AM in Bug Reports

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avatar image Adam Davis STAFF Apr 15 '15 at 03:08 PM

Hi TommyBear,

If you go to Help>About Unreal Engine, Can you tell me the version number it states? I just tried this in the internal build and could not reproduce it on my end, so this may already be fixed.

avatar image TommyBear Apr 18 '15 at 05:35 AM

Going to take a look soonest!

avatar image TommyBear Apr 18 '15 at 08:57 AM

Getting, compiling and test master now

avatar image TommyBear Apr 19 '15 at 03:01 AM

Just reproduced this on master first go, this is what it looks like:

alt text

Exact steps to reproduce:

  • Open editor

  • Create new project

  • Create new actor BP, call it TestBP

  • Open BP for editing

  • Select "+ Function" in functions to create new function

  • Name it "MyFunc"

  • Focus changes to newly create function

  • Click "New" in "Inputs" 5 times to create five new inputs for MyFunc

  • Leave the names untouched

  • Now change names to be numbers from 1 to 5

  • Should look like this:

alt text

  • Don't compile!

  • Note that last pin it still the default name

  • Double click on the event graph to get back to main event graph of the BP

  • Go to functions and drag out MyFunc into the main graph

  • This is the result for me:

alt text

  • Now compile

  • Drag out the MyFunc node again onto the main graph, leave the old one there too

  • This is what I get:

alt text


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1 answer: sort voted first

Hi Tommybear,

I was able to reproduce this and have entered a bug report, UE-14180 to be assessed by the development staff. Please remember that, while more stable than the Master Branch, the Promoted branch is not fully tested or stable and prone to rapid iterations and changes. We recommend using released branches for developing a project on.

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answered Apr 21 '15 at 07:46 PM

avatar image TommyBear Apr 23 '15 at 01:38 AM

Hey Adam! Awesome to see you can repro this. I don't use the master branch or promoted builds for production, I use them to sneak a look at the latest and greatest and sometimes post a bug report if I see something fishy :)


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