Well my requirement is :
Need to develop a custom workflow,the workflow should take properties like site url, list names etc., From the client.
I am able to develop the workflow, but i need to make it available in designer. I tried the method mentioned here:
1)I have created the required action file. 2)deployed(copy-pasted) dll into gac. 3)made safe-control and authorized type entries in web.config of the corresponding web application(on which my site collection exists)
But it is not helping me out.after following the steps given,when i try to open any workflow in designer,it gives an error saying it cannot find an action(assembly) with xyz name.