[## Notation

This type of notation add data from request context object to expressions. notation start with [## and end with ##]. for example in:

My Id Is : [##cms.query.id##]

Determine that value of cms.query.id must be inject to expression in specific location. suppose value of id key in query string is Qam-12. after injection process by context, result is:

My Id Is : Qam-12

Note

[## Notation is case insensitive.

If data contain more than one value, values presend in , delimiter string of concated values. for example in:

Names : [##cms.query.names##]

If query string is names=ali&names=amir, then result is:

Names : ali,amir

In expression, we can OR data source with |. in this case in order from left to right, if specified deta source not found, engine try to find next data source. for example in:

First Question : [##cms.form.quiz1|cms.form.quiz2##]

in above notation, if quiz1 represent in form data than posted to server, entire notation replace with it. if quiz1 not presented but class:quiz2 exist, notation replace with class:quiz2.

For :

Posted Form Fields

Name	Value
quiz1	what is your name?

result is:

First Question : what is your name?

For :

Posted Form Fields

Name	Value
quiz2	where are you from?

result is:

First Question : where are you from?

For :

Posted Form Fields

Name	Value
quiz1	what is your name?
quiz2	where are you from?

result is:

First Question : what is your name?

Also we can set default value at right must item in list of data source in (). for example in case

First Question : [##cms.form.quiz1|cms.form.quiz2##|(NotSet)]

If nether quiz1 nor quiz2 peresent in posted form result is:

First Question : NotSet