KB17672: When creating a metric with a Moving Average function that prompts on WindowSize, it is not possible to select a Value Prompt using the function wizard in MicroStrategy Developer 9.4.1 and 10.x

SYMPTOM
When a user wants a moving average metric that prompts on WindowSize, the function wizard only allows to choose an object prompt, not a numeric value prompt in Strategy Developer 9.4.1 and 10.x
 
STEPS TO REPRODUCE
Follow the steps below to reproduce this issue:

1. Create a value prompt and an object prompt.
2. Open the Metric Editor.
3. Open the function wizard and select the MovingAverage function.
4. In the `Insert Function - Arguments` window where the Window Size is defined, one can select from three different kinds of object types: metric, predictive metric, and object prompt. Currently it's not possible to select a value prompt.

CAUSE
This is a known issue in Strategy Desktop Developer 9.4.1 and 10.x
 
ACTION
Contact Strategy Technical Support for an update on the status of this issue.
 
WORKAROUND
Follow the steps below to work around this issue:

1. Close the function wizard.
2. Navigate to the value prompt's location in the Object Browser.
3. Select the value prompt and drag it manually to the metric formula in the Definition window of the Metric Editor.