Proposal to allow custom blocks to show error messages

Advanced Topics Development
1

[NOTE: the problem is solved by the "try catch library". So, just ignore this post :grin:]

I propose to show up a popup ballon when a RESULT block is executed inside a command custom block. By adding this possibility, developers of libraries will be able to add error messages to their custom blocks.

For an example, see this project.

2

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this does not require any js, as it is in the primitive block

3

use the try catch library, it includes a proper error block and blocks for detecting errors

4

I didn't know it. Thanks