mapper wip

DocLearn.md

@@ -5,3 +5,8 @@ https://www.youtube.com/watch?v=v3xSO11wLH4
 https://laracasts.com/series/build-advanced-components-for-filament/episodes/3
 
 https://txodds.net/wp-content/uploads/2023/01/TXODDS-XML-Feeds-v5.14.pdf
+
+
+
+<!-- concat values for relationship -->
+$table->string('full_name')->virtualAs('concat(first_name, \' \', last_name)');