ผมอยากทราบข้อมูลเกี่ยวกับ Line bot broadcast ครับ ไม่ทราบว่าพี่ๆ คนใดเคยเขียนหรือยัง เเลกเปลี่ยนกันได้ครับ

Request Headers
:authority: chat.line.biz
:method: POST
:path: /api/v1/bots/UID_คนส่ง/messages/UID_คนรับ/sendFile
:scheme: https
accept: */*
accept-encoding: gzip, deflate, br
accept-language: en-US,en;q=0.9
content-length: 585451
content-type: multipart/form-data; boundary=----WebKitFormBoundarylV9tVtcM4N5EifUR
cookie: _ga=GA1.2.459247464.1623819888; _trmccid=a67f317e9f6309c9; XSRF-TOKEN=73da49c1-e7ea-4177-96df-e5d096204389; _trmcdisabled2=-1; _trmcuser={"id":""}; _gid=GA1.2.1375499147.1624015722; _gcl_au=1.1.1966927661.1624018528; _ga2=GA1.2.459247464.1623819888; _ga2_gid=GA1.2.442359150.1624018528; _mkto_trk=id:872-KNP-101&token:_mch-line.biz-1624018528380-20730; _fbp=fb.1.1624018528698.279941189; ses=F/J0djAfVJun3b/sEbn+co+tT21mcku5xB1J9IeO8AOIPW0vFlvN8Xz3pxtkWp/BW1Kn6KjNnRy6vl6sz2E1B6UOLtAZ5VGYWMNSwbz0m5BnEcQL4zzN8hfMsLUlF7B60cMVLyKiklq2oVn7fHJAfrhwGPDVQv2mdzLX/w/Y+h6flMvzi8BBMAUkt7fyikIhT2zEydHGfXTtG9wV4J8Aw1uGfK7V7Q/gng/0o+45FNwwTmJbSQPoTydRtkfPV+ooqqiaOTtVxOUQEnll02Q3SWY5F+4gWzgpqW76dgIiVVYCjcu4enYreHA8c3Laomq8X+zkLSDEj1KXNGvW+m/y9aBJNfrjac9TGiup4fGe9/PAax6KHyn47imJ+GI2XidIKRy1Kxg2fS8i7x5bGUVBfg==; _trmcpage=/pc/hashBotId/chat/hashChatId; __try__=1624030676659
origin: https://chat.line.biz
referer: https://chat.line.biz/UID_คนส่ง/
sec-ch-ua: " Not;A Brand";v="99", "Google Chrome";v="91", "Chromium";v="91"
sec-ch-ua-mobile: ?0
sec-fetch-dest: empty
sec-fetch-mode: cors
sec-fetch-site: same-origin
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36
x-requested-with: XMLHttpRequest



Form Data
file: (binary)
sendId: UID_รับ_1624032968215_25172072

และพอตอน viewsource ดูส่วนของ Form Data Viewsource

------WebKitFormBoundarylV9tVtcM4N5EifUR
Content-Disposition: form-data; name="file"; filename="Promotions.png"
Content-Type: image/png


------WebKitFormBoundarylV9tVtcM4N5EifUR
Content-Disposition: form-data; name="sendId"

UID_รับ_1624032968215_25172072