consttopicName='industry-tech';constmessage={notification:{title:'Sparky says hello!'},android:{notification:{imageUrl:'https://foo.bar.pizza-monster.png'}},apns:{payload:{aps:{'mutable-content':1}},fcm_options:{image:'https://foo.bar.pizza-monster.png'}},webpush:{headers:{image:'https://foo.bar.pizza-monster.png'}},topic:topicName,};getMessaging().send(message).then((response)=>{// Response is a message ID string.console.log('Successfully sent message:',response);}).catch((error)=>{console.log('Error sending message:',error);});
[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-09-06 (世界標準時間)。"],[],[],null,["The FCM HTTP v1 API and the\n[Notifications composer](//console.firebase.google.com/project/_/notification)\nsupport sending image links in the payload of a display\nnotification, for image download to the device after delivery.\nImages for notifications are limited to 1MB in size, and otherwise are\nrestricted by native Android\n[image support](https://developer.android.com/guide/topics/media/media-formats#image-formats).\n\nBuild the send request\n\nIn your notification send request, set the following [AndroidConfig](/docs/reference/fcm/rest/v1/projects.messages#AndroidConfig)\noption:\n\n- `notification.image` containing the image URL\n\nThe following example send request sends a common notification title to all platforms, but it also sends an image. Here's an approximation of the\nvisual effect on a user's device:\n\nNode.js \n\n const topicName = 'industry-tech';\n\n const message = {\n notification: {\n title: 'Sparky says hello!'\n },\n android: {\n notification: {\n imageUrl: 'https://foo.bar.pizza-monster.png'\n }\n },\n apns: {\n payload: {\n aps: {\n 'mutable-content': 1\n }\n },\n fcm_options: {\n image: 'https://foo.bar.pizza-monster.png'\n }\n },\n webpush: {\n headers: {\n image: 'https://foo.bar.pizza-monster.png'\n }\n },\n topic: topicName,\n };\n\n getMessaging().send(message)\n .then((response) =\u003e {\n // Response is a message ID string.\n console.log('Successfully sent message:', response);\n })\n .catch((error) =\u003e {\n console.log('Error sending message:', error);\n });\n\nREST \n\n POST https://fcm.googleapis.com/v1/projects/myproject-b5ae1/messages:send HTTP/1.1\n\n Content-Type: application/json\n Authorization: Bearer ya29.ElqKBGN2Ri_Uz...HnS_uNreA\n {\n \"message\":{\n \"topic\":\"industry-tech\",\n \"notification\":{\n \"title\":\"Sparky says hello!\",\n },\n \"android\":{\n \"notification\":{\n \"image\":\"https://foo.bar/pizza-monster.png\"\n }\n },\n \"apns\":{\n \"payload\":{\n \"aps\":{\n \"mutable-content\":1\n }\n },\n \"fcm_options\": {\n \"image\":\"https://foo.bar/pizza-monster.png\"\n }\n },\n \"webpush\":{\n \"headers\":{\n \"image\":\"https://foo.bar/pizza-monster.png\"\n }\n }\n }\n }\n\nSee the\n[HTTP v1 reference documentation](https://firebase.google.com/docs/reference/fcm/rest/v1/projects.messages)\nfor complete detail on the keys available in platform-specific blocks in the\nmessage body.\n\nWith `notification` set as shown, this send request enables the receiving client\nto handle the image delivered in the payload."]]