====== Product (Expression Function) ======

===== Purpose =====
The **PRODUCT** function (PRODUCT) is used to multiply all the numbers together from multiple field values. 

{{::product_initial.png?direct&600|}}
===== Parameters =====
The **Product** function has one parameters:

==== Field Values ====

Allowed Inputs: [[Field|field]] values

The parameter of the **Product** function is the field values that contains the numbers that will be multiplied together.  The input is a query built using the [[Query Builder]] to find [[Field|field]] values on one or many [[record|record(s)]] in a [[Table|table]].

===== Output =====

The output of the **Product** function is a number representing a product of all the values found.

===== Example =====

If an Invoice record has 4 related Line Item records, and those records have values of -6, 0, 8, and 24 in the Quantity field, PRODUCT(${Line Item ~> Quantity}) would result in 0 (since -6 * 0 * 8 * 24 = 0).