problem with local variable... doesnt increase number..

A local variable only exists for the instance of that call. So this is what happens:

1. (behind the scene's: Local variable = Null so it is 0)

2. If local variable = 0 do. (which is true)

3. Set local variable to 1.

4. Procedure ends. Local variable gets cleared. Now gets called again:

5. (behind the scene's: Local variable = Null so it is 0)

6. If local variable = 0 do. (which is again true...) etc.

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So obviously, you want a local variable that exists for the duration the block/entity/item exists and persists between procedure calls.

This variable you're looking for is called an NBT tag. Either a LOGIC nbt tag (which is true/false) or a number nbt tag.

If you use a block and want to use an NBT tag, make sure to enable inventory as that also allows you to store NBT data (which is basically the local variable you were searching for)

The local variable does work. It increases every tick. However it increases from 0 to 1 every tick. That's because local variables only exist until the procedure ends. At the end the value is (null/) 0 again.

What you mean/need by local variable is called number NBT tag in mcreator. Don't use a local variable. Use a number NBT tag.

if Get NBT number tag "Counter" of block at xyz if it has tile entity < 10

do Set NBT number tag "Counter" of block at xyz if it has tile entity to Get NBT number tag "Counter"  of block at xyz if it has tile entity + 1 (Basically adding 1 to itself)

else

"like add gold ingot or anything"

Set NBT number tag "Counter" to 0 (Optional: only if you want to keep it going)

https://ibb.co/fXHL4vk

Can be found in Block Procedures when scrolling down. Do note that when adding a "local variable" (nbt tag) to a block, it needs to have inventory enabled. Set inventory to 0 if you don't want to block to have any slots.