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up vote 4 down vote favorite

I am trying to have a list of strings to pass as parameter to my script:

enter image description here

when I start the script it displays:

enter image description here

With "Add Value' button disabled. What am I missing here?

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There is 'solution' by adding Filter-Value List, but it is ugly –  FelixIP yesterday
    
I was thinking that you wanted to enter multiple free format strings rather than choosing them from a list. Tool validation may be of assistance but will still not be pretty. –  PolyGeo♦ yesterday
    
Yes I do want free format strings, using Value List was just an interim solution and I don't like it. This is about fixing missing paths in old mxds anyway –  FelixIP yesterday
    
I've not done this but perhaps it can work. Use a second parameter to enter a single value string parameter and use tool validation to use that being entered to trigger update of your separate multi value string parameter. –  PolyGeo♦ yesterday
    
There appears to be another approach that incorporates ModelBuilder at gis.stackexchange.com/questions/17821/… It seems a little unintuitive but sounds like it may work and be simpler than tool validation. –  PolyGeo♦ yesterday

1 Answer 1

up vote 2 down vote accepted

Use the "Any Value" data type instead of the "String" data type. I have no idea why multivalue strings don't work, but it's very counterintuitive...

Script properties Script tool GUI

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I am accepting this although it was one of the solutions I've checked. I was looking for true string inputs because they are not enclosed in ' symbols, even if there are \ symbols inside the string. This is convenient when working with folders (non-existing things from old mxds) –  FelixIP yesterday

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