Here we would like to draw your attention to /SAPSLL/T000_SPI transaction code in SAP. As we know it is being used in the SAP CA (Cross Application) module. /SAPSLL/T000_SPI is a transaction code used for Assign Logical System in SAP.
It comes under the package /SAPSLL/IF_CORE.
Transaction /SAPSLL/T000_SPI technical data table
| Tcode | /SAPSLL/T000_SPI |
| Purpose | Assign Logical System |
| Module | CA |
| SAP Package | /SAPSLL/IF_CORE |
| Type | P |