# 'obj'

The pointer to the object data file is a foreign key referencing the unique ID in the respective object data file. The header of this column is different in each connect file.

| Connect file   | Column header | Object data file                                                                                              |
| -------------- | ------------- | ------------------------------------------------------------------------------------------------------------- |
| hru.con        | hru           | [**hru-data.hru**](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru) |
| hru-lte.con    | hlt           | [**hru-lte.hru**](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru)   |
| rout\_unit.con | rtu           | [**rout\_unit.rtu**](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled)               |
| aquifer.con    | aqu           | [**aquifer.aqu**](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu)                    |
| chandeg.con    | lcha          | [**channel-lte.cha**](https://swatplus.gitbook.io/io-docs/introduction-1/channels/channel-lte.cha)            |
| reservoir.con  | res           | [**reservoir.res**](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/reservoir.res)              |
| recall.con     | rec           | [**recall.rec**](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/recall.rec)      |
| exco.con       | exc           |                                                                                                               |
| delratio.con   | dlr           |                                                                                                               |
| outlet.con     | out           | No data file                                                                                                  |