Requisite

\Bitrix\Crm\Requisite namespace contains classes for converting requisites from entities.

Class	Description	Available from version
AddressRequisiteConverter	Converter class for moving addresses from Company/Contacts into their requisites.
AddressRequisiteConvertException	Exceptions class for converting for Company/Contacts addresses into requisites.
ImportHelper	Class contains import helper methods.
EntityRequisiteConverter	Base converter class for requisites.
InvoiceRequisiteConverter	Converter class for moving requisites from Contact/Company invoices into new requisites.
InvoiceRequisiteConvertException	Exceptions class for requisite converter from Contacts/Company into new requisites.
InvoiceRequisiteConvertionError	Class for tracking errors when moving requisites from Contacts/Company invoices to new requisites.
RequisiteConvertException	Exceptions base class for converters.