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[DOC REQUEST] Detail on exposing C++ elements to Blueprints

Hi, the documentation Extending Blueprints lacks any specific details about creating properties and functions with the various types of parameters possible in blueprints.

I had to experiment to find out the "correct" way to expose inputs and outputs. It would be great if this documentation included a table of parameter types and a number of examples so that everyone doesn't have to go through this guesswork.

The error messages when you guess wrong (e.g. I tried int32* when trying to get an out parameter happening) so some clear docs would be much appreciated.

Something like:

In parameters: - Text: const FText& - Int: int32

Out parameters: - Int: int32& - etc

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asked Apr 18 '14 at 07:23 AM in C++ Programming

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avatar image MonsOlympus Apr 19 '14 at 04:13 AM

I agree there were a few issues I had with the blueprint function specifiers because functions need to be declared in certain places and with seperate _Implementation functions.

There is also one where a blueprint type wont show break structure unless each of its properties are also declared UProps.

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