I developed a extension which has configuration options in the backend.
Is it possible to add another section to it from another extension?
This is the system.xml file from the first extension:
<?xml version="1.0" encoding="UTF-8"?>
<config>
<tabs>
<newsletterpopup_config translate="label" module="fekete_newsletterpopup">
<label>Fekete</label>
<sort_order>100</sort_order>
</newsletterpopup_config>
</tabs>
<sections>
<newsletterpopup_options translate="label" module="fekete_newsletterpopup">
<label>Newsletter Popup</label>
<tab>newsletterpopup_config</tab>
<frontend_type>text</frontend_type>
<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>
<groups>
<general translate="label">
<label>Allgemein</label>
<frontend_type>text</frontend_type>
<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>
<fields>
<is_active translate="label comment">
<label>Aktiv</label>
<comment>Das Popup live schalten.</comment>
<frontend_type>select</frontend_type>
<validate>required-entry</validate>
<source_model>adminhtml/system_config_source_yesno</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>
</is_active>
<type translate="label comment">
<label>Anzeigetyp</label>
<comment>Festlegen ob das Popup pro Sitzung angezeigt werden soll oder einmal und nie wieder.</comment>
<frontend_type>select</frontend_type>
<validate>required-entry</validate>
<source_model>fekete_newsletterpopup/options</source_model>
<sort_order>20</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
</type>
<show_popup_to_guest translate="label comment">
<label>Popup auch Gästen zeigen</label>
<comment>Wenn Nein ausgewählt wurde, wird das PopUp nur angemeldeten Benutzern gezeigt.</comment>
<frontend_type>select</frontend_type>
<validate>required-entry</validate>
<source_model>adminhtml/system_config_source_yesno</source_model>
<sort_order>30</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
</show_popup_to_guest>
<time_until_popup_shows translate="label comment">
<label>Zeit bis Popup erscheint</label>
<comment>Sekunden</comment>
<frontend_type>text</frontend_type>
<validate>required-entry validate-digits validate-digits-range digits-range-0.0-1000</validate>
<sort_order>40</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
</time_until_popup_shows>
</fields>
</general>
<content translate="label">
<label>Inhalt</label>
<frontend_type>text</frontend_type>
<sort_order>20</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
<fields>
<header_title translate="label comment">
<label>Header Titel</label>
<frontend_type>text</frontend_type>
<validate>required-entry</validate>
<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>
</header_title>
<content translate="label comment">
<label>Inhalt HTML</label>
<frontend_type>textarea</frontend_type>
<validate>required-entry</validate>
<sort_order>30</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
</content>
</fields>
</content>
<appearance translate="label">
<label>Erscheinung</label>
<frontend_type>text</frontend_type>
<sort_order>30</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
<fields>
<animation translate="label comment">
<label>Animations Effekt</label>
<comment>Animation</comment>
<frontend_type>select</frontend_type>
<validate>required-entry</validate>
<source_model>fekete_newsletterpopup/effects</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>
</animation>
<use_random_effect translate="label comment">
<label>Zufällige Animation</label>
<comment>Zufällige Animation verwenden?</comment>
<frontend_type>select</frontend_type>
<source_model>adminhtml/system_config_source_yesno</source_model>
<sort_order>20</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
</use_random_effect>
<header_background_color translate="label comment">
<label>Header Hintergrund Farbe</label>
<comment>Hex Code</comment>
<frontend_type>text</frontend_type>
<validate>required-entry color</validate>
<sort_order>30</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
</header_background_color>
<header_text_color translate="label comment">
<label>Header Text Farbe</label>
<comment>Hex Code</comment>
<frontend_type>text</frontend_type>
<validate>required-entry color</validate>
<sort_order>40</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
</header_text_color>
</fields>
</appearance>
</groups>
</newsletterpopup_options>
</sections>
</config>
This is the system.xml from my new extension which should add a section:
<?xml version="1.0" encoding="UTF-8"?>
<config>
<sections>
<fekete_switch_options translate="label" module="fekete_switch">
<label>Switch</label>
<tab>newsletterpopup_config</tab>
<frontend_type>text</frontend_type>
<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>
<groups>
<startseite translate="label">
<label>Startseite</label>
<frontend_type>text</frontend_type>
<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>
<fields>
<is_active translate="label comment">
<label>Slider</label>
<comment>Slider auf der Startseite anzeigen.</comment>
<frontend_type>select</frontend_type>
<validate>required-entry</validate>
<source_model>adminhtml/system_config_source_yesno</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>
</is_active>
</fields>
</startseite>
</groups>
</fekete_switch_options>
</sections>
</config>
But I get a blank page, if I go to System -> Configuration
.