To mass assess families for a set amount:
Go to Setup → Receivables / Assessments
Filter for the families you need
Select the family codes and click Run Report
Click the +Assessments button
In the next screen confirm that your filter family count is correct
Then select the Type of Assessment you will make
Select the Source
Enter the Amount value
Add a memo if needed
Enter the effective date of the charge or credit
Select your account
Enter the number of payments when related to a schedule
1 = one time charge understood one time
5 = Once a year = once every year for 5 years
12 = Once a month = once a month for 12 months
Finally, click the green Post button.
Click Yes to Warning message to confirm and complete the assessments.
When finished, click Return to complete your task or to reset your filter for another filtered family group to assess.
See family count from Filter:
Confirm Warning to complete Assessment: