I’ve a matrix question with the variation configuration stated in the question title. In the UI the question looks like this:From the question object it seems like I can uniquely identify rows via choices (correspond to the 9 rows):However I could not get any info about how I can uniquely identify single cells (row + column) using the QX API. It’s pretty similar to the question type “side-by-side” where I have the same challenge: Does the QX API provide some functionality which allows it to uniquely identify single UI elements?Is there some generically working workaround for a possible lack of QX API support?

If you haven't checked out the JavaScript Question API documentation yet, it touches on setting answer values for matrix questions.For Matrix likert questions, to set the value of row choice 3 answer col 2 to "selected", try adding the below to the OnReady section of the question's JavaScript:this.setChoiceValue(3,2,true);Or, if using Matrix constant sum, to set the value of row choice 3 answer col 2 to "44", try adding the below to the OnReady section of the question's JavaScript:this.setChoiceValue(3,2,"44");

@Tom_1842Thanks a lot for this hint. I was really confused about how “choices” work for this question type.Do choices have some real meaning for this question type actually other than indicating how many rows a matrix has?Right now I don’t know how to get the complete shape (# rows + # cols) of the matrix.

How can I set "matrix" question type (variation/selector "constant sum" + subselector "WOTB") values using the QX API?

How can I set "matrix" question type (variation/selector "constant sum" + subselector "WOTB") values using the QX API? | Experience Community

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