In order to provide the Slideshare credential put your ApiKey and SharedSecret in the file slideshare.plist
as shown below
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>sharedSecret</key>
<string>XXXXXXXX</string>
<key>apiKey</key>
<string>XXXXXXXX</string>
</dict>
</plist>