CDF in Centera

Hi All,

I am new to Centera and would like to know about its implementation

I came to know that Centera contains a clip which contains both the blob (content) and the CDF.

My question here is

1) How is CDF created?
2) What all information is there in CDF
3) Are there API's available for writing to CDF from Documentum application.

It woule be helpful if i can get any study material regarding this.

Regards,
Nitesh