~~Title: DateDiff~~
<evalcmd>
DateDiff && int && Difference between the two dates. &&
units && string && Unit type to return. Valid unit types are:

|yyyy|Years|
|q|Quarter years|
|m|Months|
|y|Days|
|d|Days|
|w|Whole weeks|
|ww|Calendar weeks (number of Sundays)|
|h|Hours|
|n|Minutes|
|s|Seconds|
&&
date1 && date && The first date. &&
date2 && date && The second date.
</evalcmd>

Returns the difference between the two supplied dates, expressed as //units//.

//Example://
<code>
Output(DateDiff("yyyy", "2021-01-01", "2023-01-01"))
--> 2
</code>