)SINL

Lists the names of all halted user functions and associated local variables.

             ∇TEST;A;B;C
       [1]   A←⍳10
       [2]   B←⎕A
       [3]   C←A×B
       [4]   ∇
             TEST
       DOMAIN ERROR
       TEST[3] C←A×B
                  ^
             )SI
       TEST[3] *
             )SIV
       TEST[3] *       A       B       C