The ISML function hasElements() allows you to check whether an iterator stored in the pipeline dictionary contains any elements. This is particularly useful before looping through an iterator using a ISLOOPstatement. If your iterator contains a number of elements different from
0, the function returns
hasElements()and hasLoopElements()are synonyms.
hasElements( <ISML variable identifier> )
<ISIF condition = "#hasElements(Basket:Offerings)#">Your basket contains: <ISLOOP iterator = "Basket:Offerings"> <ISPRINT value = "#Offerings:Name#"><BR> </ISLOOP> <ISELSE> <!-- Your basket contains nothing --!> </ISIF>
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