Hello,
I want to add an other categorys of reports with their reports and parameters,
what are the steps that i have to follow,
thank you,

add catagories in table reportcategory
add reports in table report (specifying file name to be used)
add parameters in reportparameter
manage acces rights to report (can be done directly through screen at this step)
design report file (.php defined in report table)

Can I use a file who is already defined?
And how can I manage the acces rights to report ,
Thank you,

Can I use a file who is already defined?

Yes

And how can I manage the acces rights to report ,

On the screen "access mode to reports"