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Regular Visitor

How can I use a parameter to select a column?

How can I use an input parameter in the function to select a column?

Same as using ["NAME COLUMN"], then use a parameter: [parameter]
For example, in this case of combining columns:

Ejemplo para foro.png
When I introduce the parameter, I replace it within the [ ]

Because I know that if I put it in the editor as: ["parameter"] it works, but I wanted to use it as a variable for more fields..

Thank you.
All the best!

Regular Visitor

Hi @lbendlin 
If I remove the square brackets the result is:

1Black1 - FIELD
2Yellow2 - FIELD
3Orange3 - FIELD
4Blue4 - FIELD
5Green5 - FIELD

I need this result:

1Black1 - Black
2Yellow2 - Yellow
3Orange3 - Orange
4Blue4 - Blue
5Green5 - Green

I need select the column with the name of the parameter. 

Read about Expression.Evaluate. Make sure to read the scope part carefully.

It doesn't work for me. What I need is a toString of the parameter inside the brackets to search the column. Now it's looking for Field literally.

Super User
Super User

specify only the parameter name, remove the square brackets.

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