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SharePoint Workflow Extensions Kit

Calculate aggregate function extended

This activity finds list by url and calculates aggregate numerical function from a numeric column for selected item in list and store result in variable.

SharePoint Workflow Designer Phrase

Calculate this function on this field from all items at list url and store result in variable

Parameters

Parameter Description
this function Name of the aggregate function. Available Functions: Count, Avg, Min, Max, Standard Deviation, Mode.
this field Optional. Numerical field on which mathematical function will be performed. Field display name. Field unique ID (Guid). Field index (int). Not required for Count function.
All Optional. List item filter. The filter string supports View Name, View ID and CAML string (<Where>...</Where>). Empty filter returns all items.
list url Full list url Ex: http://mysharepoint/MyDocs/Shared%20Documents Ex: http://mysharepoint/Lists/List%20with%20Approve
Variable This activity will place function result into an output variable (Double).

**Available Functions **

Name Description
Count Total number of items
Sum The sum of items
Avg Average of values from the specified column
Max Smallest non-null value in the specified column
Min Largest non-null value in the specified column
Standard Deviation A measure of the variation in a distribution of values from the specified column, equal to the square root of the arithmetic mean of the squares of the deviations from the arithmetic mean; the square root of the variance http://en.wikipedia.org/wiki/Standard_deviation
Mode The mode is the value that occurs the most frequently in a data set or a probability distribution. http://en.wikipedia.org/wiki/Mode_%28statistics%29