The documents that describe the EPP Extension Mappings supported by GoDaddy Registry.

Domain Name Application Extension:	application-1.0.html	application-1.0.txt
Trademark Clearinghouse Extension:	tmch-1.0.html	tmch-1.0.txt
Internationalized Domain Name Extension:	idn-1.0.html	idn-1.0.txt
Domain Name Variant Extension version 1.1:	variant-1.1.html	variant-1.1.txt
Domain Name Price Extension:	price-1.0.html	price-1.0.txt
Domain Name Price Extension version 1.1 :	price-1.1.html	price-1.1.txt
Domain Name Price Extension version 1.2:	price-1.2.html	price-1.2.txt
Key-Value Mapping:	kv-1.0.html	kv-1.0.txt
Domain Name Extended Availability Check Extension:	exAvail-1.0.html	exAvail-1.0.txt
Block Extension:	block-1.0.html	block-1.0.txt
AU Extensions version 1.2:	au-extensions-1.2.html	au-extensions-1.2.txt
Registrant Extension:	registrant-1.0.html	registrant-1.0.txt
AE Extensions:		ae-extensions-1.0.txt
AR domain EPP extensions:		ar-domain-epp-extensions.txt
AR Extensions:		ar-extensions-1.0.txt
AU Extensions version 1.1:		au-extensions-1.1.txt