There are 3 ways to tag a delivery to a Group.
By manual entry into the delivery form
Through the Actions button
By CSV / Excel import
How To Assign A Job To A Group
Go to Jobs > Deliveries / Collections > Click on the date of the delivery on the calendar.
Under Deliveries tab, click on Add Delivery button or click on the existing current job to reveal a Delivery form.
After filling in the delivery details, click on Groups column and select the group to be assigned.
How To Tag A Delivery To A Group Through The Actions Button
HOW TO TAG A DELIVERY TO A GROUP USING CSV/EXCEL IMPORT
To tag a delivery to a group using CSV / Excel, users have to create an additional column for Group.