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My goal is to get a list of fields choosen by an user from existing fields in feature class. I think that I can show all fields in Field Mappings dialog, an user deletes unwanted fields and I get a required list.

The problem is how to populate Field Mappings when adding a feature class as a first parameter. I can't select anything in 'Obtained from' property.
The code self.params[1].parameterDependencies = [0] in updateParameters function does't work in this case (it worked when 'Field' parameter data type was chosen).

What should I use to automatically populate Field Mappings when filling first parameter?


EDIT:
Fields list is applied as follows: enter image description here

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1 Answer 1

up vote 5 down vote accepted

Under your Fields to Choose option, change it to Field instead of Field Mappings. That will give you a list of the feature layer fields.

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I know it. But I want to be able to select more than one field. –  Marcin Jul 9 '12 at 11:34
1  
Change MultiValue from No to Yes. –  artwork21 Jul 9 '12 at 11:36
    
Thanks, this works:) –  Marcin Jul 9 '12 at 11:47

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