To create a new input format using the MediaWiki API Filter take the following steps:

1. Navigate to Administer >> Site configuration >> Input formats and click "Add input format".
2. Give your input format a name, select which roles should have access to it and, in the Filters group, ensure MediaWiki API Filter is selected. Click save configuration.
3. You will be returned to the Input formats page. Select configure for the input format you just created and on the following page click the configure tab.
4. On configure tab page you will find a group of options titled MediaWiki API filter which control all aspects of how this filter will operate. Note that you can create more than one input format that uses this filter and have them each configured differently.
5. Make settings as you see fit, most have explanations given with them.
   • Path of PEAR packages:
   • Format:
6. After changing any setting click save configurations. You could now be able to use your new input format.