If you want to add currency to your system configuration in Magento admin then you need to add the following code to your system.xml
Single select configuraton
<config> <sections> ....... <fields> <base_currency translate="label"> <label>Base Currency</label> <frontend_type>select</frontend_type> <source_model>adminhtml/system_config_source_currency</source_model> <sort_order>10</sort_order> <show_in_default>1</show_in_default> <show_in_website>1</show_in_website> <show_in_store>1</show_in_store> </base_currency> </fields> ........ </sections> </config>
Multi select configuration
<config> <sections> ....... <fields> <base_currency translate="label"> <label>Base Currency</label> <frontend_type>multiselect</frontend_type> <source_model>adminhtml/system_config_source_currency</source_model> <sort_order>10</sort_order> <show_in_default>1</show_in_default> <show_in_website>1</show_in_website> <show_in_store>1</show_in_store> </base_currency> </fields> ........ </sections> </config>
