My comment moved here to close out the question.
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There's currently no built-in methods of sorting and filtering UITables. You'll have to create these features manually.
sortrows may come in handy for simple alphanumeric sorting of the entire table based on a selected column. For filtering, you can use logical indexing to select which rows should be displayed on the table. It won't be a very difficult task but it will take a bit of an investment of time. I'm sure you can find related questions within this forom on both filtering and sorting of UItables to get you started.
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