Multiple references

Patricia Worth
Patricia Worth ✭✭✭
edited 12/09/19 in Smartsheet Basics

New to formulas and need some assistance please.

I need to calculate the sum of a column if a check box in another column is checked and between a certain time frame and for certain assigned employees

All i have been able to do is sum the check boxes within a time frame 

=COUNTIF({Deal Tracker - Acq Range 1}, AND(@cell >= DATE(2018, 1, 1), @cell <= DATE(2018, 1, 31)))

add if box is checked in column "add to UW" and within the date 1-1-18 to 1-31-18 and staff assign is "Staff member"