console add-ins for SCVMM 2012

hi..I want to add a action add-in to SCVMM 2012. i want to use a predefined action add-in as i have to give the URL in the XML file. please help me.. i have gone through some links. from those links i came to know that i should create a XML file as manifest.xml. is that only XML file is enough or should i wrte some code and and how the file is installed to SCVMM?

Have you seen this http://technet.microsoft.com/en-us/library/gg650469.aspx

Ya.. i gone through this link .. i got some scrift for importing and exporting but not to add any add-ins. i m following the link mentioned below but not getting the options to install the add-in package to SCVMM as they have mentioned. please look into it and if possible help in this.
 

 

gjones


Have you seen this

What about this??
http://www.microsoft.com/en-us/download/details.aspx?id=2672