Minecraft 1.17.1 How to Summon a Falling Block: (piston[extended=true])?

Question

I tried the following command:

summon falling_block ~ ~ ~ {BlockState:{Name:"minecraft:piston",Properties:{extended:true}},Time:-1000,NoGravity:1b}

but it wasn't the type of piston that I want to summon.

Here is what I am looking for

Answer 1

You have to use "true" instead of true

This is the command to do it:

summon falling_block ~ ~ ~ {BlockState:{Name:"minecraft:piston",Properties:{extended:"true"}},Time:-1000,NoGravity:1b}

(tested in 1.17, find by Ofek)