Complex Questions in Expressions

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You may use the typical question value, for example "text", in an expression as:

visibileIf: "{textQuestion} = 'Yes'"
For questions like Multiple Text, Matrix, Matrix Dropdown, Matrix Dynamic and Panel Dynamic you can't use the same approach.

Multiple Text, Matrix questions values are objects:
"name": { "firstName": "John", "lastName": "Snow"}
As result you may use it in expression as:
visibleIf: "{name.firstName} = 'John' and {name.lastName = 'Snow'}"


Matrix dropdown question is an object of objects:
"rateTeaches": { "math": { "knowSubject": 5, "explainsClearly": 4}, "literature": { "knowSubject": 4, "explainsClearly": 4} }
You may use it in expression as:
visibleIf: "{rateTeaches.math.explainsClearly} > 3}"


Matrix and Panel Dynamic questions are array of objects:
"rateTeaches": [{"subject": "math", "knowSubject": 5, "explainsClearly": 4}, {"subject": "literature",  "knowSubject": 4, "explainsClearly": 4} ]
The expression can be as:
visibleIf: "{rateTeaches[0].explainsClearly} > 3}"

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