Check out example codes for "ec2_group tags". It will help you in understanding the concepts better.

Code Example 1

- name: Create ec2 security group
  ec2_group:
    name: SSH
    description: SSH
    vpc_id: "{{ default_vpc_id }}"
    region: "{{ aws_region }}"
    tags:
      Name: SSH
      Tag1: Value1
      Tag2: Value2
    rules:
      - proto: tcp
        ports:
          - 22
        cidr_ip: 0.0.0.0/0

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