# Overview


## Download GraphQL schema

 - [Overview](https://developers.retarus.com/_spec-gql/common/sdl.gql)

## Queries

 - [faxInUdrReport](https://developers.retarus.com/common/sdl/queries/faxinudrreport.md): Retrieves inbound fax usage detail records (UDR) for reporting and analytics. Returns paginated fax reception data, including delivery status, caller information, and billing details.
 - [faxOutUdrReport](https://developers.retarus.com/common/sdl/queries/faxoutudrreport.md): Retrieves fax outbound usage detail records (UDR) for reporting and analytics. Returns paginated fax transmission data, including delivery status, recipient information, and billing details.
 - [smsInUdrReport](https://developers.retarus.com/common/sdl/queries/smsinudrreport.md): Query for smsInUdrReport.
 - [smsOutUdrReport](https://developers.retarus.com/common/sdl/queries/smsoutudrreport.md): Query for smsOutUdrReport.
 - [transactionalEmailUdrReport](https://developers.retarus.com/common/sdl/queries/transactionalemailudrreport.md): Query for transactionalEmailUdrReport
 - [transactionalEmailEventReport](https://developers.retarus.com/common/sdl/queries/transactionalemaileventreport.md): Query for transactionalEmailEventReport
## Objects

 - [FaxInUdrQueryResult](https://developers.retarus.com/common/sdl/objects/faxinudrqueryresult.md)
 - [FaxInUdrReportRecord](https://developers.retarus.com/common/sdl/objects/faxinudrreportrecord.md): Fax Inbound UDR Report Record
 - [FaxOutUdrQueryResult](https://developers.retarus.com/common/sdl/objects/faxoutudrqueryresult.md)
 - [FaxOutUdrReportRecord](https://developers.retarus.com/common/sdl/objects/faxoutudrreportrecord.md): Fax Outbound UDR Report Record
 - [SmsInUdrQueryResult](https://developers.retarus.com/common/sdl/objects/smsinudrqueryresult.md): Paginated result set for SMS inbound usage detail records.
 - [SmsInUdrReportRecord](https://developers.retarus.com/common/sdl/objects/smsinudrreportrecord.md): SMS Inbound UDR report record
 - [SmsOutUdrQueryResult](https://developers.retarus.com/common/sdl/objects/smsoutudrqueryresult.md): Paginated result set for SMS outbound usage detail records.
 - [SmsOutUdrReportRecord](https://developers.retarus.com/common/sdl/objects/smsoutudrreportrecord.md): SMS Outbound UDR report record
 - [TransactionalEmailEventQueryResult](https://developers.retarus.com/common/sdl/objects/transactionalemaileventqueryresult.md)
 - [TransactionalEmailEventReportRecord](https://developers.retarus.com/common/sdl/objects/transactionalemaileventreportrecord.md): Transactional Email Event Report Record.
 - [TransactionalEmailUdrQueryResult](https://developers.retarus.com/common/sdl/objects/transactionalemailudrqueryresult.md)
 - [TransactionalEmailUdrReportRecord](https://developers.retarus.com/common/sdl/objects/transactionalemailudrreportrecord.md): Transactional Email UDR Report Record
## Interfaces

 - [Pagination](https://developers.retarus.com/common/sdl/interfaces/pagination.md): # Base
## Enums

 - [FaxInUdrRecordSorting](https://developers.retarus.com/common/sdl/enums/faxinudrrecordsorting.md): # Fax Inbound Reporting
 - [FaxOutUdrRecordSorting](https://developers.retarus.com/common/sdl/enums/faxoutudrrecordsorting.md): # Fax Outbound Reporting
 - [SmsInUdrRecordSorting](https://developers.retarus.com/common/sdl/enums/smsinudrrecordsorting.md): # SMS Inbound Reporting
 - [SmsOutUdrRecordSorting](https://developers.retarus.com/common/sdl/enums/smsoutudrrecordsorting.md): # SMS Outbound Reporting
 - [SortDirection](https://developers.retarus.com/common/sdl/enums/sortdirection.md): Enumeration of sort directions for ordering results.
 - [TransactionalEmailEventRecordSorting](https://developers.retarus.com/common/sdl/enums/transactionalemaileventrecordsorting.md)
 - [TransactionalEmailUdrRecordSorting](https://developers.retarus.com/common/sdl/enums/transactionalemailudrrecordsorting.md): # Transactional Email Reporting
## Inputs

 - [ColumnFilter](https://developers.retarus.com/common/sdl/inputs/columnfilter.md)
 - [DatePeriod](https://developers.retarus.com/common/sdl/inputs/dateperiod.md)
 - [FaxInColumnUdrFilters](https://developers.retarus.com/common/sdl/inputs/faxincolumnudrfilters.md)
 - [FaxOutColumnUdrFilters](https://developers.retarus.com/common/sdl/inputs/faxoutcolumnudrfilters.md)
 - [SmsInColumnUdrFilters](https://developers.retarus.com/common/sdl/inputs/smsincolumnudrfilters.md): Filter options for SMS inbound usage detail records.
 - [SmsOutColumnUdrFilters](https://developers.retarus.com/common/sdl/inputs/smsoutcolumnudrfilters.md): Filter options for SMS outbound usage detail records.
 - [TransactionalEmailColumnEventFilters](https://developers.retarus.com/common/sdl/inputs/transactionalemailcolumneventfilters.md)
 - [TransactionalEmailColumnUdrFilters](https://developers.retarus.com/common/sdl/inputs/transactionalemailcolumnudrfilters.md)
## Scalars

 - [Long](https://developers.retarus.com/common/sdl/scalars/long.md): A 64-bit signed integer