<?xml version="1.0" encoding="utf-8" ?> <configuration> <methods> <method name="main"> <fields> <field name="price_loader_file" type="file" title="FIELD_FILE_NAME" /> </fields> <toolbar> <control id="load" title="BTN_LOAD" type="submit" onclick="loadFile"/> </toolbar> </method> <method name="loadFile"> <uri_patterns> <pattern>/load/</pattern> </uri_patterns> <fields> <field name="price_loader_result" type="string" mode="1"/> </fields> </method> </methods> </configuration>