Trigger plugin in on create of document location

Hi All, 

       I have created a plugin to trigger on create of document location, the issue is, when the document location is created from "sharepoint document location" it works fine(following image)

, but when the location is created from other entities like account or case, the plugin isn't getting triggered (ex following image)

i have registered plugin on create of "sharepointdocumentlocation". Kinldy let me know what i am doing wrong here, as marked in above image, clicking on upload creates the new document location