parent with formula

[tanya]

Hi,
parentType is a string with the name of the scope, so
parentType = "Account";

[peterberlin]

Hello,
I want to create a new meeting from my own entity with a workflow. To do this, information in parent.
The values for parentType, ParentID and parentname are to be set with formula in workflow.
What should I use with parentType?
parentType = account;
????
peter