[ "autonomous agent", { "init": "{ // FIFO by [email protected] // Insert data with { in : <data> } // Call AA to pops out the first data and get response { data : <data> } }", "messages": { "cases": [ { "if": "{ trigger.data.in }", "messages": [ { "app": "state", "state": "{ // DATA IN var[ "last" ] += 1 ; if( ! var[ "first" ] ) var[ "first" ] = 1 ; var[ var[ "last" ] || "" ] = trigger.data.in ; // save data to last index }" } ] }, { "if": "{ var[ "first" ] }", "messages": [ { "app": "state", "state": "{ // DEFAULT FIRST DATA OUT $first = var[ "first" ] || "" ; response[ 'data' ] = var[ $first ] ; var[ $first ] = false ; // clear data if( var[ "first" ] == var[ "last" ] ){ // reach end, reset indexes var[ "last" ] = false ; var[ "first" ] = false ; } else var[ "first" ] += 1 ; // next }" } ] } ] } } ]