Helpo de LibreOffice 7.5
The Watch window allows you to observe the value of variables during the execution of a program. Define the variable in the Watch text box. Click on Enable Watch to add the variable to the list box and to display its values.
Enter the name of the variable whose value is to be monitored.
Removes the selected variable from the list of watched variables.
Displays the list of watched variables. Click twice with a short pause in between on an entry to edit its value. The new value will be taken as the variable's value for the program.