迁移提示：若您目前SDK版本低于v6.3.61，Key字段有所统一，建议您根据表格中"字段名称"列替换对应extra字典的Key值。
字段 network_firm_id 对应广告平台一览，请点击此处前往。
| 字段名称 | 类型 | extra参数对应Key | 说明 |
|---|---|---|---|
| network_firm_id | int | kATADDelegateExtraNetworkFirmIdKey | 获取 广告平台对应的ID，用于区分广告平台，参考 Network Firm Id Table |
| adsource_id | String | kATADDelegateExtraAdSourceIdKey | 获取 广告源ID. 可在开发者后台或Taku Open API 通过广告源ID查询具体的Network信息 |
| adsource_index | int | kATADDelegateExtraPriorityKey | 获取 当前广告源在本次执行的WaterFall中的排序(从0开始优化级最高) |
| adsource_price | double | kATADDelegateExtraAdSourcePriceKey | 获取预估eCPM( 常规广告源是手动填写的eCPM价格，竞价广告源是实时竞价价格 )，eCPM的货币单位可通过currency获取（对应美元或元等），精度可通过precision获取。 |
| adsource_isheaderbidding | int | kATADDelegateExtraIsHeaderBiddingKey | 是否为头部竞价的广告源。 1：是， 2：否 |
| id | String | kATADDelegateExtraIDKey | 获取 每次展示广告时生成的独立ID |
| publisher_revenue | double | kATADDelegateExtraPublisherRevenueKey | 获取 本次展示带来的收益 ，单位可通过currency获取， 精度可通过 precision 获取 |
| currency | String | kATADDelegateExtraCurrencyKey | 获取 货币单位，例如："USD" |
| country | String | kATADDelegateExtraCountryKey | 获取 国家代码， 例如：”CN" |
| adunit_id | String | kATADDelegateExtraAdunitIDKey | 获取 Taku广告位ID |
| adunit_format | String | kATADDelegateExtraFormatKey | 获取 广告类型，包括："Native"、"RewardedVideo"、"Banner""Interstitial"、"Splash" |
| precision | String | kATADDelegateExtraPrecisionKey | 获取eCPM精度 "publisher_defined"：开发者在Taku后台为广告源定义的eCPM（交叉推广的eCPM也属于该类型) "estimated": 在Taku后台开启广告源的自动价格功能后，Taku根据历史数据计算出的eCPM "exact"：实时竞价的eCPM(Meta广告平台除外) "ecpm_api"： 针对Meta广告平台生效，根据Meta的ReportAPI数据预估的历史eCPM API。Taku SDK v5.9.60及以上版本支持。 |
| network_type | String | kATADDelegateExtraNetworkTypeKey | 获取 Network类型 "Network"：第三方广告平台 "Cross_Promotion"：交互推广 "Adx"：暂未支持 |
| network_placement_id | String | kATADDelegateExtraNetworkPlacementIDKey | 获取 Network的广告位ID |
| ecpm_level | int | kATADDelegateExtraECPMLevelKey | 获取 广告源的eCPM层级(对应开发者后台聚合管理页面的优先级），头部竞价广告源默认为0 |
| segment_id | int | kATADDelegateExtraSegmentIDKey | 获取 流量分组ID |
| scenario_id | String | kATADDelegateExtraScenarioIDKey | 获取 广告场景ID，仅Rewarded Video&Interstitial支持 |
| scenario_reward_name | String | kATADDelegateExtraScenarioRewardNameKey | 获取 广告场景的激励名称，仅Rewarded Video支持 |
| scenario_reward_number | int | kATADDelegateExtraScenarioRewardNumberKey | 获取 广告场景的激励数量，仅Rewarded Video支持 |
| channel | String | kATADDelegateExtraChannelKey | 获取渠道信息 |
| sub_channel | String | kATADDelegateExtraSubChannelKey | 获取 子渠道信息 |
| custom_rule | String | kATADDelegateExtraCustomRuleKey | 获取 Placement+App维度的自定义规则的Json字符串 |
| abtest_id | String | kATADDelegateExtraABTestIDKey | 获取 AB测试ID(v6.1.30新增)。具体AB测试ID可以从AB测试页面查询。 |
| ext_info | String | kATADDelegateExtraExtInfoKey | 获取Taku Adx 、OnlineAPI Offer 、直投广告、交叉推广& admob的额外信息，以Json字符串输出 |
| placement_type | String | kATADDelegateExtraPlacementTypeKey | 获取广告位类型 1：真实广告位 2：共享广告位 |
| shared_placement_id | String | kATADDelegateExtraSharedPlacementIdKey | 获取共享广告位id，仅展示共享广告位缓存时返回 |
| user_load_extra_data | Dictionary | kATADDelegateExtraUserCustomData | 获取 在Load前传入自定义参数信息，以字典格式输出 |
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