{"id":183415,"date":"2026-04-27T16:05:57","date_gmt":"2026-04-27T07:05:57","guid":{"rendered":"https:\/\/support.questetra.com\/?p=183415"},"modified":"2026-05-27T14:04:32","modified_gmt":"2026-05-27T05:04:32","slug":"slack-message-json-parse-202604","status":"publish","type":"post","link":"https:\/\/support.questetra.com\/en\/addons\/slack-message-json-parse-202604\/","title":{"rendered":"Slack: Slack Message JSON Parsing"},"content":{"rendered":"\n

Slack: Slack Message JSON Parsing<\/strong><\/h4>\n\n\n\n

Slack: Slack Message JSON Parse<\/a><\/p>\n\n\n\n

Extract text from Message JSON data received from Slack. If there are attached files, the files are downloaded. However, only one attachment file is supported.<\/p>\n\n\n\n

\"Auto<\/figure>\n\n\n\n
\n
Configs for this Auto Step<\/summary>
\n
\n
conf_Json<\/dt>
C1: STRING DATA for received Message JSON from Slack *<\/span><\/dd>\n
conf_Text<\/dt>
C2: STRING DATA for Slack Message Text (update) *<\/span><\/dd>\n
conf_Url<\/dt>
C3: STRING DATA for Slack Message URL (update)<\/dd>\n
conf_ChannelId<\/dt>
C4: STRING DATA for Slack Message Channel ID (update)<\/dd>\n
conf_Ts<\/dt>
C5: STRING DATA for Slack Message thread_ts (update)<\/dd>\n
conf_OAuth2<\/dt>
C6: OAuth2 Setting (for attachment download)<\/dd>\n
conf_Attachment<\/dt>
C7: FILE DATA for Slack Message Attachment (update)<\/dd>\n\n<\/dl>\n<\/div><\/details><\/div>\n<\/div>\n\n\n\n
\n
Script (click to open)<\/summary>
\n
\nmain();\nfunction main() {\n\n  \/\/\/\/ == Config Retrieving \/ \u5de5\u7a0b\u30b3\u30f3\u30d5\u30a3\u30b0\u306e\u53c2\u7167 ==\n  const json = engine.findDataByNumber( configs.get(\"conf_Json\") ) + \"\";\n\n  const dataId_text = configs.get( \"conf_Text\" );\n  const dataId_url  = configs.get( \"conf_Url\" );\n  const dataId_channelId  = configs.get( \"conf_ChannelId\" );\n  const dataId_ts  = configs.get( \"conf_Ts\" );\n\n  const oauth2 = configs.getObject(\"conf_OAuth2\");\n\n  const dataId_attachment = configs.get( \"conf_Attachment\" );\n  let processFiles;\n  if ( dataId_attachment !== \"\" ) {\n    processFiles = engine.findDataByNumber( dataId_attachment );\n    \/\/ java.util.ArrayList \n  }\n  if (processFiles === null) {\n    processFiles = new java.util.ArrayList();\n  }\n\n  \/\/\/\/ == Calculating \/ \u6f14\u7b97 ==\n  const jsonObj = JSON.parse( json );\n  \/\/JSON\u304c\u306a\u3044\u30fbJSON\u306bevent\u304c\u306a\u3044\u5834\u5408\u306f\u30a8\u30e9\u30fc\n  if ( !( jsonObj ) ) {\n    throw `JSON data none`;\n  }\n  if ( !( 'event' in jsonObj ) ) {\n    throw `json.event none`;\n  }\n\n  const text    = jsonObj.event.text + \"\";\n\n  const teamId    = jsonObj.team_id + \"\";\n  const channelId = jsonObj.event.channel + \"\";\n  const ts        = jsonObj.event.event_ts + \"\";\n  const messageUrl = \"https:\/\/app.slack.com\/client\/\" + teamId + \"\/\" + channelId + \"\/\" + ts + \"\/\"\n\n\n  \/\/\/\/ == Data Retrieving \/ \u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u30c7\u30fc\u30bf\u3078\u306e\u4ee3\u5165 == \n  engine.setDataByNumber( dataId_text, text );\n  if ( dataId_url !== \"\" ) {\n    engine.setDataByNumber( dataId_url, messageUrl );\n  }\n  if ( dataId_channelId !== \"\" ) {\n    engine.setDataByNumber( dataId_channelId, channelId );\n  }\n  if ( dataId_ts !== \"\" ) {\n    engine.setDataByNumber( dataId_ts, ts );\n  }\n\n  if ( dataId_attachment !== \"\" ) {\n    if ( jsonObj.event.files ) {\n      const fileUrl = jsonObj.event.files[0].url_private_download + \"\";\n      engine.log(\"fileUrl:\" + fileUrl);\n      const fileName = jsonObj.event.files[0].name + \"\";\n      engine.log(\"fileName:\" + fileName);\n\n      const response = accessToTheUrl( oauth2, fileUrl );\n      const qfile = saveFile( fileName, response );\n      updateData( processFiles, dataId_attachment, qfile );\n    }\n  }\n}\n\n\/**\n  * \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u306e URL \u306b GET \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3059\u308b\n  * @param {String} oauth2\n  * @param {String} fileUrl  \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u306e URL\n  * @return {HttpResponseWrapper} response  \u30ec\u30b9\u30dd\u30f3\u30b9\n  *\/\nfunction accessToTheUrl( oauth2, fileUrl ) {\n  let response;\n  \n  try {\n    let httpRequest = httpClient.begin()\n    if ( oauth2 !== \"\" && oauth2 !== null ) {\n      httpRequest = httpRequest.authSetting(oauth2);\n    }\n    response = httpRequest.get( fileUrl );\n  } catch (e) {\n    throw `Unable to access ${fileUrl}.`;\n  }\n\n  const httpStatus  = response.getStatusCode();\n  engine.log( `STATUS: ${httpStatus}` );\n  if (httpStatus >= 300) {\n    engine.log( response.getResponseAsString() );\n    throw `Failed to download. STATUS: ${httpStatus}`;\n  }\n\n  return response;\n}\n\n\n\/**\n  * \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u540d\u524d\u3092\u4ed8\u3051\u3066\u4fdd\u5b58\u3059\u308b\n  * @param {String} name  \u4fdd\u5b58\u3059\u308b\u969b\u306e\u30d5\u30a1\u30a4\u30eb\u540d\n  * @param {HttpResponseWrapper} response  \u30ec\u30b9\u30dd\u30f3\u30b9\n  * @return {Qfile} qfile  \u30d5\u30a1\u30a4\u30eb\n  *\/\nfunction saveFile( name, response ) {\n  const qfile = new com.questetra.bpms.core.event.scripttask.NewQfile(\n    name, response.getContentType(), response.getResponse()\n  );\n  return qfile;\n}\n\n\/**\n  * \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30c7\u30fc\u30bf\u9805\u76ee\u306b\u51fa\u529b\u3059\u308b\n  * @param {Array} processFiles  \u30d5\u30a1\u30a4\u30eb\u306e\u914d\u5217\n  * @param {String} dataId  \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u3092\u8ffd\u52a0\u4fdd\u5b58\u3059\u308b\u30c7\u30fc\u30bf\u9805\u76ee\u306e\u30c7\u30fc\u30bf\u5b9a\u7fa9\u756a\u53f7\n  * @param {Qfile} qfile  \u30d5\u30a1\u30a4\u30eb\n  *\/\nfunction updateData( processFiles, dataId, qfile ) {\n  processFiles.add( qfile );\n  engine.setDataByNumber( dataId, processFiles );\n}\n\nScriptEncoded\n\nmain();\nfunction main() {\n\n  \/\/\/\/ == Config Retrieving \/ \u5de5\u7a0b\u30b3\u30f3\u30d5\u30a3\u30b0\u306e\u53c2\u7167 ==\n  const json = engine.findDataByNumber( configs.get("conf_Json") ) + "";\n\n  const dataId_text = configs.get( "conf_Text" );\n  const dataId_url  = configs.get( "conf_Url" );\n  const dataId_channelId  = configs.get( "conf_ChannelId" );\n  const dataId_ts  = configs.get( "conf_Ts" );\n\n  const oauth2 = configs.getObject("conf_OAuth2");\n\n  const dataId_attachment = configs.get( "conf_Attachment" );\n  let processFiles;\n  if ( dataId_attachment !== "" ) {\n    processFiles = engine.findDataByNumber( dataId_attachment );\n    \/\/ java.util.ArrayList <com.questetra.bpms.core.event.scripttask.QfileView>\n  }\n  if (processFiles === null) {\n    processFiles = new java.util.ArrayList();\n  }\n\n  \/\/\/\/ == Calculating \/ \u6f14\u7b97 ==\n  const jsonObj = JSON.parse( json );\n  \/\/JSON\u304c\u306a\u3044\u30fbJSON\u306bevent\u304c\u306a\u3044\u5834\u5408\u306f\u30a8\u30e9\u30fc\n  if ( !( jsonObj ) ) {\n    throw `JSON data none`;\n  }\n  if ( !( 'event' in jsonObj ) ) {\n    throw `json.event none`;\n  }\n\n  const text    = jsonObj.event.text + "";\n\n  const teamId    = jsonObj.team_id + "";\n  const channelId = jsonObj.event.channel + "";\n  const ts        = jsonObj.event.event_ts + "";\n  const messageUrl = "https:\/\/app.slack.com\/client\/" + teamId + "\/" + channelId + "\/" + ts + "\/"\n\n\n  \/\/\/\/ == Data Retrieving \/ \u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u30c7\u30fc\u30bf\u3078\u306e\u4ee3\u5165 == \n  engine.setDataByNumber( dataId_text, text );\n  if ( dataId_url !== "" ) {\n    engine.setDataByNumber( dataId_url, messageUrl );\n  }\n  if ( dataId_channelId !== "" ) {\n    engine.setDataByNumber( dataId_channelId, channelId );\n  }\n  if ( dataId_ts !== "" ) {\n    engine.setDataByNumber( dataId_ts, ts );\n  }\n\n  if ( dataId_attachment !== "" ) {\n    if ( jsonObj.event.files ) {\n      const fileUrl = jsonObj.event.files[0].url_private_download + "";\n      engine.log("fileUrl:" + fileUrl);\n      const fileName = jsonObj.event.files[0].name + "";\n      engine.log("fileName:" + fileName);\n\n      const response = accessToTheUrl( oauth2, fileUrl );\n      const qfile = saveFile( fileName, response );\n      updateData( processFiles, dataId_attachment, qfile );\n    }\n  }\n}\n\n\/**\n  * \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u306e URL \u306b GET \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3059\u308b\n  * @param {String} oauth2\n  * @param {String} fileUrl  \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u306e URL\n  * @return {HttpResponseWrapper} response  \u30ec\u30b9\u30dd\u30f3\u30b9\n  *\/\nfunction accessToTheUrl( oauth2, fileUrl ) {\n  let response;\n  \n  try {\n    let httpRequest = httpClient.begin()\n    if ( oauth2 !== "" && oauth2 !== null ) {\n      httpRequest = httpRequest.authSetting(oauth2);\n    }\n    response = httpRequest.get( fileUrl );\n  } catch (e) {\n    throw `Unable to access ${fileUrl}.`;\n  }\n\n  const httpStatus  = response.getStatusCode();\n  engine.log( `STATUS: ${httpStatus}` );\n  if (httpStatus >= 300) {\n    engine.log( response.getResponseAsString() );\n    throw `Failed to download. STATUS: ${httpStatus}`;\n  }\n\n  return response;\n}\n\n\n\/**\n  * \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u540d\u524d\u3092\u4ed8\u3051\u3066\u4fdd\u5b58\u3059\u308b\n  * @param {String} name  \u4fdd\u5b58\u3059\u308b\u969b\u306e\u30d5\u30a1\u30a4\u30eb\u540d\n  * @param {HttpResponseWrapper} response  \u30ec\u30b9\u30dd\u30f3\u30b9\n  * @return {Qfile} qfile  \u30d5\u30a1\u30a4\u30eb\n  *\/\nfunction saveFile( name, response ) {\n  const qfile = new com.questetra.bpms.core.event.scripttask.NewQfile(\n    name, response.getContentType(), response.getResponse()\n  );\n  return qfile;\n}\n\n\/**\n  * \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30c7\u30fc\u30bf\u9805\u76ee\u306b\u51fa\u529b\u3059\u308b\n  * @param {Array<Qfile>} processFiles  \u30d5\u30a1\u30a4\u30eb\u306e\u914d\u5217\n  * @param {String} dataId  \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30d5\u30a1\u30a4\u30eb\u3092\u8ffd\u52a0\u4fdd\u5b58\u3059\u308b\u30c7\u30fc\u30bf\u9805\u76ee\u306e\u30c7\u30fc\u30bf\u5b9a\u7fa9\u756a\u53f7\n  * @param {Qfile} qfile  \u30d5\u30a1\u30a4\u30eb\n  *\/\nfunction updateData( processFiles, dataId, qfile ) {\n  processFiles.add( qfile );\n  engine.setDataByNumber( dataId, processFiles );\n}\n  \n<\/code><\/pre><\/div>\n<\/div><\/details><\/div>\n<\/div>\n\n\n\n
Download<\/span><\/h3>\n\n\n\n