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 ### Webapp integrating Dataverse with Language Resource Switchboard.
 
-A collection of web applications that conform to the Dataverse external tools interface, makes the Clarin [Language Resource Switchboard](https://switchboard.clarin.eu) available through the external tools button on Dataset pages (left). It also use previewers app, originally developed by the  [Qualitative Data Repository](https://qdr.syr.edu), for embedded display on Datafile pages (right).
+A collection of web applications that conform to the Dataverse external tools interface, makes the Clarin [Language Resource Switchboard](https://switchboard.clarin.eu) available through the external tools button on Dataset pages (left). It also use previewers app for embedded display on Datafile pages (right).
+
+The used previewers are based on those originally developed by the  [Qualitative Data Repository](https://qdr.syr.edu).
+
+#### Curl commands to configure and run web applications with a Dataverse instance:
+
+Using the *curl* commands below it should be possible to run the external applications on a Dataverse instance:
+
+-- text/plain previewer
+
+curl -X POST -H 'Content-type: application/json' http://localhost:8080/api/admin/externalTools -d \ "{ \"displayName\":\"SSHOC text previewer\", \"description\":\"Preview text files and use the LRS tools to process the file.\", \"scope\":\"file\", \"type\":\"explore\", \"hasPreviewMode\":\"true\", \"toolUrl\":\"https://v4e-dock.isti.cnr.it/previewers/TextPreview.html\", \"toolParameters\": { \"queryParameters\":[ {\"fileid\":\"{fileId}\"}, {\"siteUrl\":\"{siteUrl}\"}, {\"key\":\"{apiToken}\"}, {\"datasetid\":\"{datasetId}\"}, {\"datasetversion\":\"{datasetVersion}\"}, {\"locale\":\"{localeCode}\"} ] }, \"contentType\":\"text/plain\" }"
+
+
+-- send text directly to LRS
+
+curl -X POST -H 'Content-type: application/json' http://localhost:8080/api/admin/externalTools -d \ "{ \"displayName\":\"Process text file with LRS\", \"description\":\"Process a text file using LRS.\", \"scope\":\"file\", \"type\":\"explore\", \"hasPreviewMode\":\"false\", \"toolUrl\":\"https://v4e-dock.isti.cnr.it/previewers/SendText.html\", \"toolParameters\": { \"queryParameters\":[ {\"fileid\":\"{fileId}\"}, {\"siteUrl\":\"{siteUrl}\"}, {\"key\":\"{apiToken}\"}, {\"datasetid\":\"{datasetId}\"}, {\"datasetversion\":\"{datasetVersion}\"}, {\"locale\":\"{localeCode}\"} ]}, \"contentType\":\"text/plain\" }"
+
+
+-- application/pdf previewer
+
+curl -X POST -H 'Content-type: application/json' http://localhost:8080/api/admin/externalTools -d \ "{ \"displayName\":\"SSHOC  PDF previewer\", \"description\":\"Read a pdf document and use the LRS tools to process the file.\", \"scope\":\"file\", \"type\":\"explore\", \"hasPreviewMode\":\"true\", \"toolUrl\":\"https://v4e-dock.isti.cnr.it/previewers/PDFPreview.html\", \"toolParameters\": { \"queryParameters\":[ {\"fileid\":\"{fileId}\"}, {\"siteUrl\":\"{siteUrl}\"}, {\"key\":\"{apiToken}\"}, {\"datasetid\":\"{datasetId}\"}, {\"datasetversion\":\"{datasetVersion}\"}, {\"locale\":\"{localeCode}\"} ] }, \"contentType\":\"application/pdf\" }"
+
+
+-- send PDF directly to LRS
+
+curl -X POST -H 'Content-type: application/json' http://localhost:8080/api/admin/externalTools -d \ "{ \"displayName\":\"Process PDF file with LRS\", \"description\":\"Process the file using LRS.\", \"scope\":\"file\", \"type\":\"explore\", \"hasPreviewMode\":\"false\", \"toolUrl\":\"https://v4e-dock.isti.cnr.it/previewers/SendPDF.html\", \"toolParameters\": { \"queryParameters\":[ {\"fileid\":\"{fileId}\"}, {\"siteUrl\":\"{siteUrl}\"}, {\"key\":\"{apiToken}\"}, {\"datasetid\":\"{datasetId}\"}, {\"datasetversion\":\"{datasetVersion}\"}, {\"locale\":\"{localeCode}\"} ]}, \"contentType\":\"application/pdf\" }"