KB31829: How to enable MicroStrategy Web users to import an element list into a filter using prompts in MicroStrategy Developer 9.4.x - 10.x

SYMPTOM:
In Strategy Web and Web Universal, there is a prompt type that imports a list of elements from a text file; however it cannot import an element list into a filter, the 'Import file...' button is not visible in Strategy Web as shown below:
 
          

 
 
CAUSE:
In Strategy Desktop 9.0.0, the option 'Allow import elements' is disabled by default. 
 
 
ACTION:
Follow the steps below to enable the 'Import file...' function on Strategy Web:

1. In Strategy Developer, create a new prompt or open an existing prompt -> Modify Web options -> Display Style, select Shopping cart.                                                                                     
2. Check the option of 'Allow import elements' .
3. Execute the report in Strategy Web. The prompt screen appears and 'Import files...' button is now visible on the upper right corner. Click on that button to import  text file.