Forms attachments

Users want to be able to attach files to some standard Forms or custom Forms and sometimes functional consultants provides this.
Firstly table, function, block names and primary key information should be collected for the Form.
Then application developer>attachments>document entities record should be created for the table
After that application developer>attachments>attachment functions categories, blocks and entities datas should be recorded. (Any standard form providing the attachment specialty can be used as an example for the records)