gistfile1.txt

===== Variables:

action_common_keys:
  server_url: "http://localhost/"
  login_user: api_cli
  login_password: "{{api_cli_password}}"
  state: present
  status: enabled

actions_discovery:
  - name: "Send alerts to Admin"
    event_source: 'trigger'
    conditions:
      - type: 'trigger_severity'
        operator: '>='
        value: 'Information'

===== Task:

- name: Add Zabbix discovery actions
  zabbix_action:
    "{{ {{action_common_keys}} | combine({{item}}) }}"
  loop: "{{actions_discovery}}"

===== Error

template error while templating string: expected token ':', got '}'. String: {{ {{action_common_keys}} | combine({{item}}) }}

===== Solution

Use module_defaults instead: https://docs.ansible.com/ansible/latest/user_guide/playbooks_module_defaults.html .