~~NOTOC~~
<= [[4rpl:start| Index]] \\
<= [[4rpl:start#Flow Control]] 


====== once ======
ONCE

===== Description =====
Start a block of instructions that are executed once only for the lifetime of the entity the script is associated with.

===== Examples =====
<code 4rpl>
once
    trace("42") #Only prints once
endonce
</code>
<=[[4rpl:start| Index]]