get_coupon_groups

Returns all coupon groups

Req	Field Name	Field Type	Max Length	Description
	client_no	long	22	Aria-assigned unique identifier indicating the Aria client providing service to this account.
	auth_key	string	32	Aria-assigned unique key to be passed with each method call for authenticating the validity of the requestor.

Field Name	Field Type	Description
error_code	long	Aria-assigned error identifier. 0 indicates no error.
error_msg	string	Textual description of any error that occurred. "OK" if there was no error.
coupon_groups	hash
group_no	int	Aria-assigned unique identifier for coupon group.
client_defined_id	string	Client defined identifier for coupon group
group_name	string	Specified coupon group name.
description	string	Specifies group description. Pass ~ to delete the previously saved description.
precedence	string	Specifies the precedence of the coupon group.

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