{
    "cookies": {
        "_ga": {
            "value": "$IF(LINKER_PARAM(_gl, _ga),GA1.0.LINKER_PARAM(_gl, _ga),)"
        }
    },
    "linkers": {
        "_gl": {
            "enabled": true,
            "ids": {
                "_ga": "${clientId}"
            },
            "proxyOnly": false
        }
    },
    "triggers": {
        "page_view": {
            "enabled": "${DEFAULT_PAGEVIEW_ENABLED}",
            "on": "visible",
            "request": "ga4Pageview"
        },
        "user_engagement": {
          "on": "visible",
          "request": "ga4Event",
          "vars": {
             "ga4_event_name": "user_engagement"
          },
          "visibilitySpec": {
                  "wait-for": "ini-load",
                  "selector": "body",
                  "totalTimeMin": 1000,
                  "reportWhen": "documentExit"
          }
        },	    
        "doubleClick": {
            "enabled": "${SEND_DOUBLECLICK_BEACON}",
            "on": "visible",
            "request": "ga4Dc"
        },
        "enhancedMeasurementScroll": {
            "enabled": "${ENHANCED_MEASUREMENT_SCROLL}",
            "on": "scroll",
            "request": "ga4Event",
            "vars": {
                "ga4_event_name": "scroll"
            },
            "extraUrlParams": {
                "event__num_percent_scrolled": "${verticalScrollBoundary}"
            },
            "scrollSpec": {
                "verticalBoundaries": [90],
                "horizontalBoundaries": [],
                "useInitialPageSize": false
            }
        },        
        "webVitals": {
            "enabled": "${WEBVITALS_TRACKING}",
            "on": "timer",
            "timerSpec": {
                "interval": 5,
                "maxTimerLength": 4.99,
                "immediate": false
            },
            "request": "ga4Event",
            "vars": {
                "ga4_event_name": "web_vitals"
            },
            "extraUrlParams": {
                "event__num_first_contenful_paint": "FIRST_CONTENTFUL_PAINT",
                "event__num_first_viewport_ready": "FIRST_VIEWPORT_READY",
                "event__num_make_body_visible": "MAKE_BODY_VISIBLE",
                "event__num_largest_contentful_paint": "LARGEST_CONTENTFUL_PAINT",
                "event__num_cumulative_layout_shift": "CUMULATIVE_LAYOUT_SHIFT"
            }
        },
        "performanceTiming": {
            "enabled": "${PERFORMANCE_TIMING_TRACKING}",
            "on": "visible",
            "request": "ga4Event",
            "sampleSpec": {
                "sampleOn": "${clientId}",
                "threshold": 100
            },
            "vars": {
                "ga4_event_name": "performance_timing"
            },
            "extraUrlParams": {
                "event__num_page_load_time": "${pageLoadTime}",
                "event__num_domain_lookup_time": "${domainLookupTime}",
                "event__num_tcp_connect_time": "${tcpConnectTime}",
                "event__num_redirect_time": "${redirectTime}",
                "event__num_server_response_time": "${serverResponseTime}",
                "event__num_page_download_time": "${pageDownloadTime}",
                "event__num_content_download_time": "${contentLoadTime}",
                "event__num_dom_interactive_time": "${domInteractiveTime}"
            }
        }
    },
    "vars": {
        "documentLocation": "$IF($EQUALS($DEFAULT(${OVERRIDE_PAGE_LOCATION}, EMPTY), EMPTY),SOURCE_URL, ${OVERRIDE_PAGE_LOCATION})",
        "documentTitle": "$IF($EQUALS($DEFAULT(${OVERRIDE_PAGE_TITLE}, EMPTY), EMPTY),${title}, ${OVERRIDE_PAGE_TITLE})",
        "clientId": "CLIENT_ID(AMP_ECID_GOOGLE,,_ga,true)",
        "dataSource": "AMP",
        "isDebugEnabled": "$IF($EQUALS(QUERY_PARAM(_dbg),1), _dbg, __dbg)",
        "endpoint": "$IF(${DISABLE_REGIONAL_DATA_COLLECTION},https://${GA4_ENDPOINT_HOSTNAME}, https://$IF($EQUALS($MATCH(${timezoneCode}, Europe, 0),Europe), $REPLACE(${GA4_ENDPOINT_HOSTNAME},www.google-analytics.com,region1.google-analytics.com), ${GA4_ENDPOINT_HOSTNAME}))",
	"ga4SessionCookie": "$CALC(SESSION_TIMESTAMP, 1000, divide, true).SESSION_COUNT.$IF($EQUALS(SESSION_ENGAGED, true),1,0).$CALC(TIMESTAMP, 1000, divide, true).0.0.0"
    },
    "extraUrlParams": {
        "sid": "$CALC(SESSION_TIMESTAMP, 1000, divide, true)",
        "sct": "SESSION_COUNT",
        "seg": "$IF($EQUALS(SESSION_ENGAGED, true),1,0)",
        "_et": "$CALC(INCREMENTAL_ENGAGED_TIME,1000, multiply)",
        "gcs": "$IF($EQUALS(${GOOGLE_CONSENT_ENABLED},TRUE),G10$IF($EQUALS(CONSENT_STATE,sufficient),1,0),)",
        "uaa": "${uach(architecture)}",
        "uab": "${uach(bitness)}",
        "uafvl": "${uach(fullVersionList)}",
        "uamb": "$IF($EQUALS($DEFAULT(${uach(mobile)}, EMPTY), EMPTY),,$IF($EQUALS(${uach(mobile)}, false),0,1))",
        "uam": "${uach(model)}",
        "uap": "${uach(platform)}",
        "uapv": "${uach(platformVersion)}",
        "uaw": "$IF($EQUALS($DEFAULT(${uach(wow64)}, EMPTY), EMPTY),,$IF($EQUALS(${uach(wow64)}, false),0,1))",        
        "ep.amp_hostname": "${ampdocHost}" 
    },
    "extraUrlParamsReplaceMap": {
        "user__str_": "up.",
        "user__num_": "upn.",
        "event__str_": "ep.",
        "event__num_": "epn.",
        "is_conversion": "_c",
        "campaign_source": "cs",
        "campaign_medium": "cm",
        "campaign_name": "cn",
        "campaign_content": "cc",
        "campaign_term": "ck",
        "campaign_id": "ci",
        "ignore_referral": "ir",
        "content_group": "ep.content_group"        
    },
    "requestOrigin": "${endpoint}",
    "requests": {
        "ga4userId": "$IF(${USER_ID}, uid,__nuid)",
        "ga4IsFirstVisit": "$IF($EQUALS($CALC(SESSION_COUNT, $CALC($CALC(${timestamp}, 1000, divide, true),$CALC(SESSION_TIMESTAMP, 1000, divide, true), subtract), add),1), _fv, __nfv )",
        "ga4IsSessionStart": "$IF($EQUALS($CALC($CALC(${timestamp}, 1000, divide, true),$CALC(SESSION_TIMESTAMP, 1000, divide, true), subtract),0), _ss, __nss)",
        "ga4SharedPayload": "v=2&tid=${GA4_MEASUREMENT_ID}&ds=${dataSource}&_p=${pageViewId}&cid=${clientId}&ul=${browserLanguage}&sr=${screenWidth}x${screenHeight}&_s=${requestCount}&dl=${documentLocation}&dr=${externalReferrer}&dt=${documentTitle}&${ga4IsFirstVisit}=1&${ga4IsSessionStart}=1&${isDebugEnabled}=1&${ga4userId}=${USER_ID}",
        "ga4Pageview": {
            "baseUrl": "/g/collect?${ga4SharedPayload}&en=page_view"
        },
        "ga4Event": {
            "baseUrl": "/g/collect?${ga4SharedPayload}&en=${ga4_event_name}"
        },
        "ga4Dc": {
            "origin": "https://stats.g.doubleclick.net",
            "baseUrl": "/g/collect?v=2&tid=${GA4_MEASUREMENT_ID}&cid=${clientId}&aip=1"
        }
    }
}