ansible-base/roles/mas-for-synapse/defaults/main.json

{
	"var_mas_for_synapse_synapse_url_base": "https://synapse.example.org",
	"var_mas_for_synapse_client_id": "01JAE3YFB91XFWEDQY0WFDW5VN",
	"var_mas_for_synapse_client_secret": "REPLACE_ME"
}