itsp/Traces/SAPagi/TraceLevel is a SAP Parameter attribute which is used to control SAP Gui for HTML, additional developer trace, agi interface information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
If the trace for the integrated HTML GUI is activated (see switch
rdisp/TRACE_COMPS, component SAP GUI for HTML/W), you can use this
switch to additionally activate the AGI Trace for the SAP GUI for HTML.
The values of this switch are identical to those of the switch
rdisp/TRACE. Note the effects on performance that are described in the
documentation for that switch.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.