# Hosting Plan Extensions

Hosting Plans / Hosting Plan Extensions

## Return hosting plan extension templates

 - [GET /_getpkgextensionform](https://api.docs.cpanel.net/specifications/whm.openapi/hosting-plan-extensions/_getpkgextensionform.md): This function retrieves a hosting plan's package extension templates. When you call this
function, the system checks the hosting plan's  value.  The function
returns the contents of the  file for each package
extension in the list, where name represents the package extension's name.

For more information, read our
Guide to Package Extensions.



This function returns only metadata if the hosting plan does not use package extensions, or
if the extensions' template files are empty.

## Add hosting plan extension

 - [GET /addpkgext](https://api.docs.cpanel.net/specifications/whm.openapi/hosting-plan-extensions/addpkgext.md): This function adds a package extension to a hosting plan (package).



* If you need to edit a package extension's parameters, call this function again
with the same package extension name and the updated package extension variables.

* You can include the extension's variables in your function call, in  format.
  Consult the extension's documentation for a list of possible variables. Extension variables
  are case-sensitive.

## Remove hosting plan extension

 - [GET /delpkgext](https://api.docs.cpanel.net/specifications/whm.openapi/hosting-plan-extensions/delpkgext.md): This function deletes a package extension from a hosting plan (package).



* You can additionally include extension's variables in your function call, in  format.
  Consult the extension's documentation for a list of possible variables. Extension variable names are case-sensitive.