!--a11y-->
Functions 
You can create automatic SAP test cases with the CATT functions in a function editor tailored for CATT requirements.
Functions can only be created for type C, R and L test cases.
The following functions exist:
· TCD: run and test transactions
· REF: refer to other test cases
· FUN: call ABAP function modules
· TXT: comment
· CHETAB: check database contents
· CHEVAR: check parameter contents
· CHEERR: check system messages
· SETVAR: assign values to parameters
· IF ... ENDIF: conditions
· DO ... ENDDO: loop
· SETTAB / RESTAB: change customizing tables