expression: $.data.role_data.where($ != null).select($.get('service_config_settings')).where($ != null).reduce($1.mergeWith($2), {})
data: {role_data: {get_attr: [ServiceChain, role_data]}}
step_config: {list_join: ["\n", {get_attr: [ServiceChain, role_data, step_config]}]}
expression: $.data.role_data.where($ != null).select($.get('service_config_settings')).where($ != null).reduce($1.mergeWith($2), {})
data: {role_data: {get_attr: [ServiceChain, role_data]}}
step_config: {list_join: ["\n", {get_attr: [ServiceChain, role_data, step_config]}]}