~~NOTOC~~

====== GetChild ======
GetChild(<-partUID <-childLookupNameString)

===== Description =====
Retrieves a child by lookup name for a given part. A lookup name is assigned to a part in the json via the "name" attribute. If not present the lookup name defaults to a number that is the count of the part.

===== Examples =====
<code 4rpl>
	GetChild(self "arm") ->armPart
</code>