Help with Data set returned data

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Yes, you are using wix-data, but on the frontend. There’s no point in defining a projection there, a savvy user could guess the name of other fields(columns) and add them to the query. How I do it is like this:

  1. write a backend function, lets say getData(strEmail, someOtherValue). I do not know what $w( " #input1 " ).value) holds.
  2. you cannot call backend function directly from frontend. You need to go thru a .jsw file. So create a .jsw file and create a shadow function there called getDataJSW(strEmail, someOtherValue), which simply calls the first backend function.
  3. in the backend function, you do the query, filter the result (look at Sam’s article), return it so the .JSW file
  4. .JSW-file returns it to frontend
  5. Bob’s your uncle

EDIT: and on the frontend, you just call the getDataJSW(…), wait for the result and then display it.