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Anyone that has used DevKit to write a extension and then wanted to add it to Studio, may have notice that the extension will appear under the Cloud Connectors category in the palette. This is not a problem when the extension is actually a Cloud Connector, but is sort of a problem when it was something else (for example a component like the LDAP connector). This is not an issue anymore since DevKit 3.3.2, as you can now use the @Category annotation at class definition level (Connector or Module) to select under which category you want your extension to be listed in:

It is important to mention that:

  • You can only add the connector to one of the existing Studio categories (this means you cannot define your own category)
  • The values for name and description attributes of @Category need to have specific values (please don't be creative), as shown in the following list:
    • Endpoints: org.mule.tooling.category.endpoints
    • Scopes: org.mule.tooling.category.scopes
    • Components: org.mule.tooling.category.core
    • Transformers: org.mule.tooling.category.transformers
    • Filters: org.mule.tooling.category.filters
    • Flow Control: org.mule.tooling.category.flowControl
    • : org.mule.tooling.ui.modules.core.exceptions
    • Cloud Connectors (DEFAULT): org.mule.tooling.category.cloudconnector
    • Miscellaneous: org.mule.tooling.ui.modules.core.miscellaneous
    • Security:
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Too ‘meh' to build the category annotation yourself? Just copy/paste from the following gist:

Hope this tip helps you place your Mule extensions under the right Studio category.