Power Point Activities - Change the slide title dynamically

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Hello all,
this post is to go deeper into some power points activity. Purpose of my automation project ( first one) is to generate a power Point file with several slides showing products characteristics and yield which will be send automatically by mail. So far so good, I was able to modfiy ( not generate) an exsisting presentation with the charts I need, but now the next step which will make the work more professional and exciting is to dynamically change the slide title basing on some string variable which the user defines each time through an input dialog activity. Do you think is possible ? Thanks !