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JPaps's avatar
JPaps
New Contributor III
4 years ago

Mapper Snap: Valid Column Names In Input Schema Give "Undefined" Error

Hi, I am experiencing an issue where I have a Mapper Snap that gives the error: $[FieldName] is undefined when I input a field name in the expression box. The fields that I am using are inside th...
mapper
pipeline
ptaylor's avatar
ptaylor
Employee
4 years ago

Are you using quotes around the field name, like this?
$['FieldName']

  • JPaps's avatar
    JPaps
    New Contributor III
    4 years ago

    Thanks for your help.

    Yes, i dragged the field from the input schema and it goes into the expression box with the quotes and brackets but it gives the undefined error