Please see the link below which will allow you to access the FA's Grassroots Technology area where the guides are located on how to use the FA Club Portal.

https://grassrootstechnology.thefa.com/support/solutions/articles/48001203044-officials-clubs-portal

This includes setting up Team Officials for your club so that their data comes across into Full Time. This will then enable them to receive fixtures, text in results and enter match statistics.

Remember each team needs to have two people set up

You will need to select the relevant role; which could be:
Secretary
Manager
Assistant Manager
Coach
Assistant Coach