To assign a working pattern that you have setup to an employee or a post, follow the below steps:
Post
Click Post Admin then search for the post you want to assign the working pattern.
On the left-hand menu within the post, click into Working pattern.
Click Edit in the upper right.
Select the template you have created by using the drop-down.
Employee
Find the employee using the organisation search then click Employment.
Click into Working pattern then click Edit.
Select the template you have creating by using the drop down.
Click Save.