1. In the main menu, Click on: CONFIGURATION -> SERVICE MANAGEMENT -> ACTIVITIES
2. Click on NEW ACTIVITY or click on EDIT 
3. Select ACTIVITY TYPE from the drop-down list
4. Insert activity NAME
5. Insert activity CODE
6. Select ACTIVITY CONDITION from the drop-down list
7. Click on ADD ACTIVITY CONDITION, after this action activity condition automatic added in BUYING STRUCTURE and SELLING STRUCTURE
8. To edit a price detail related to the agreement, choose another from the drop-down list under PRICE DETAIL
9. Select the EVALUATION type from the drop-down list
10. Insert the CURRENCY and PRICE for each price detail
11. In TIER TYPE drop-down list you have 2 options (Fixed and Progressive). For example, choose FIXED option
12. Click on ADD ACTIVITY TIER
13. Insert quantity number in TO field
14. Select EVALUATION TYPE from drop-down list
15. Insert PRICE
16. When finished, click on SAVE