If you want to re-use one script in multiple block you may do the following:
1. Add the full script in a block.
2. Add the following command on the top line in another block:
This commands searches a block by the "BlockName" caption and reuses the "ScriptName" script.
Also you may load scripts from a file.
This commands loads a script from the "ScriptName.vb" file in the program folder.
This commands loads a script from the specified path.
Note: the program does not monitor script files. Therefore you need to restart the program if you made changes in your external script file.