How can I create a custom task stream in alfresco share?

[renato_fritola]

I would like to create a customizable task flow so that I can fulfill the processes I work with. How can I do this in Alfresco?

[sp2]

If you want to create custom flow then you have to create custom workflow and for that and you have to configure related form with share.

this will give you idea and hint to create custom workflow.

Creating Custom Advanced Workflows in Alfresco | ECMArchitect | Alfresco Developer Tutorials 

Thanks,

Sanjay