@Dave_p 

try this in variable attributes and it should sort based on Text field, but this will work only in portal

ref_ac_order_by=textField

If my response helped please mark it correct and close the thread so that it benefits future readers.

@Dave_p 

Thank you for marking my response as helpful.

If my response helped please mark it correct and close the thread so that it benefits future readers.

@Dave_p 

Hope you are doing good.

Did my reply answer your question?

If my response helped please mark it correct and close the thread so that it benefits future readers.

@Dave_p - Check this thread Change the sort order of a list collector - ServiceNow Community

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Thanks & Regards
Viraj Hudlikar.

Hello @Dave_p 

Thank you for marking my response as helpful! 😊

I hope your concern has been fully addressed. If it resolves your issue, please consider marking it as the accepted solution. This will ensure others in the community can benefit from the solution too.

Thanks & Regards
Viraj Hudlikar.