where can I find this interface with fv!item on
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In your Columns setup, mouse over to show the expression editor, review what is defined in there. This should be a list of a!gridColumn(). Feel free to post any further SAIL expressions in the thread here.
there is no line 27 unfortunate.is only the following
a!linkField( links: { a!recordLink( label: fv!row['recordType!{7c6cb0af-02e3-4e21-9db7-e5d7ebd92423}UMS AAPPs.fields.{aappNum}aappNum'], recordType: 'recordType!{7c6cb0af-02e3-4e21-9db7-e5d7ebd92423}UMS AAPPs', identifier: fv!row['recordType!{7c6cb0af-02e3-4e21-9db7-e5d7ebd92423}UMS AAPPs.fields.{aappNum}aappNum'] ) })
This section expects a list of columns, you should update your code to
{ a!gridColumn( label: "Link", value: a!linkField( links: { a!recordLink() } ) ) }
Beat me to it
Utilizing the a!linkField() code provided here, this is how your expression should read. Replace the above with:
{ a!gridColumn( label: "Link", value: a!linkField( links: { a!recordLink( label: fv!row['recordType!{7c6cb0af-02e3-4e21-9db7-e5d7ebd92423}.fields.{aappNum}'], recordType: 'recordType!{7c6cb0af-02e3-4e21-9db7-e5d7ebd92423}', identifier: fv!row['recordType!{7c6cb0af-02e3-4e21-9db7-e5d7ebd92423}.fields.{aappNum}'] ) } ) ) }