ListFirmClientLinkage

This API enables the firm or account users to request the associated linkages to the account. ### Security Policies * This API requires one of the following user roles: AccountAdmin, AccountUser, BatchServiceAdmin, CompanyAdmin, CompanyUser, Compliance Root User, ComplianceAdmin, ComplianceUser, CSPAdmin, CSPTester, ECMAccountUser, ECMCompanyUser, FirmAdmin, FirmUser, Registrar, SiteAdmin, SSTAdmin, SystemAdmin, TechnicalSupportAdmin, TechnicalSupportUser, TreasuryAdmin, TreasuryUser.