list trace vector/vdn xx: Displays the current values assigned to the variables used in vector steps. You can use this command to analyze vector operations.

list usage variables [x] : Displays a list of all vectors that use variables and specifies which administered variable is used in each vector. You can optionally filter the list if you include a specific (A-Z, AA-ZZ) administered variable.

list measurement summary: Displays the traffic summary report, which provides an overview of the system performance. Page 4 of the report displays the vector variables usage data showing the number of currently administered global vector variables, instantaneous in-use totals, corresponding high-water marks, and the average usage for local and persistent vector variables.

Event type 37: collect digits for variable error

Event type 38: variable not defined

Event type 213: No digits in variable