So I am learning more about Design Studio from Learning Hub. You can learn more about Learning Hub here Getting access & accessing SAP Learning Hub #SAPEducation
On Variable Initialization is discussed here as well: DS 1.2 – New Event Triggers
First in Learning Hub SAP explains that you can use the On Variable Initialization event to set query variables to “avoid unnecessary round trip to the backend”. This will set the mandatory variables all at once. At BI 2014, it was discussed that the mandatory prompt screen may be difficult on your users; so consider possibly not using it and let your users interact with the dashboard directly.
Above is the mandatory prompt screen if I don’t use the On Variable Initialization event.
In this example, I set all mandatory variables using the On Variable Initialization event by first setting the default in a global variable:
I am setting the date to January 31, 2011 as shown above (dates are strings)
Above is where I set up the code to set the value of the variable, which in this case is the value of the global variable g_date.
So when I run the application there are no prompts, which is nice.
Note I left the default setting Force Prompts to false.
If I set it to true, then the prompt screen is always shown even if I set all mandatory variables in the script.
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