how I modify the workflows, and you can define the group of cab and approvers

[Gabriela]

need to modify the flows according to the process that is handled in the institution where I work,

[Jamil Rahimov]

@Gabriela 
For this one  'how I modify the workflows'  follow this steps:
~Go to projects then choose current project which you want.
~then go to project settings.
~Choose work-flow which you want and modify

[Jamil Rahimov]

@Gabriela 

'and you can define the group of cab and approvers'

I didn't understand this part.
Please give more information.

[Gabriela]

For Cab and approver groups you can leave by default?