# Extension points in `org.dita.pdf2`

Certain extension points are specific to the PDF transformation (formerly known as “PDF2”).

depend.org.dita.pdf2.format
  Formatting target
depend.org.dita.pdf2.format.post
  Formatting post-target
depend.org.dita.pdf2.format.pre
  Formatting pre-target
depend.org.dita.pdf2.index
  Indexing target
depend.org.dita.pdf2.init.pre
  Initialization pre-target
dita.conductor.pdf2.formatter.check
  Formatter check
dita.conductor.pdf2.param
  Pass parameters to the PDF transformation.
dita.xsl.xslfo
  Overrides the default PDF transformation. The referenced XSL file is integrated directly into the XSLT step that generates the XSL-FO.
dita.xsl.xslfo.i18n-postprocess
  PDF I18N postprocess import
org.dita.pdf2.catalog.relative
  Adds the content of a catalog file to the main catalog file for the PDF plug-in.
org.dita.pdf2.xsl.topicmerge
  PDF2 topic merge XSLT import