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Use this function to determine the average (arithmetic mean) of a list or collection.

The AVG function has two syntax forms: the collection form and the list form. You can use the collection form to determine the average value of all occurances occurrences of an attribute. The list form is used to determine the average value of a set of different attributes.

Collection form syntax

AVG(attribute)

• attribute - An attribute of any type of number or date of which multiple instances can occur at runtime.

List form syntax

AVG([value1, value2, ...])

• [value1, value2, …] - A list of attributes, expressions or fixed values of any type of number or date. Use the square brackets to indicate that the arguments form a list of values.

Return types

• number
• integer
• currency
• percentage
• date

The function returns UNKNOWN if one or more values are UNKNOWN.

Examples

Suppose the following domain model.

If you want to determine the average bidding on the current residence:

• AVG(Residence.hasBiddings.amount)

If you want to determine the average amount of the appraisal value, the asking price and the mortgage of the current residence:

• AVG([Residence.appraisalValue, Residence.askingPrice, Residence.mortgage])