Iterate

<Collection> ->iterate(<Expression>)

Executes <Expression> for every element in <Collection>. <Collection> must be expressed as a unique alias.

The Operators row of the table in Summary Table of Vocabulary Usage Restriction does not apply. Special exceptions: ->iterate may only be used in Action Rows (section 5 in Sections of Rulesheet that correlate with usage restrictions).

This sample Rulesheet uses ->iterate to assign the value of test to string1 in every element in collection1 . See ->exists for more information on this operator.

A sample Ruletest provides three elements in collection1. Input and Output panels are shown below.