# All Retrieve-Only ## getAppDataDir Locate and get the application data directory ``` MetaApi.getAppDataDir() ``` **Parameters** ``` no parameters. ``` **Returns** ``` The application data directory. ``` ## getClassM Get the object representing the class​ ``` MetaApi.getClassM(className) ``` Parameters ``` className: name of the class (string) ``` Returns ``` Class metadata. ``` ## getSchemaForDataStudio Get class schema​ for the data studio ``` MetaApi.getSchemaForDataStudio(className, includeAllSysAttrs) ``` **Parameters** ``` className: name of the class (string) includeAllSysAttrs: include all system attributes (bool) ``` **Returns** ``` List of dictionaries containing schema details. ``` ## getDomainFileAsMap get domain file as a hashmap.​ ``` MetaApi.getDomainFileAsMap(fileName) ``` **Parameters** ``` fileName: name of the file (string) ``` **Returns** ``` Content of the domain file as a dictionary. ``` ## getMetadata Get metadata based on the ID. ``` MetaApi.getMetadata(id) or MetaApi.getMetadata(modelClassName, folder, name) ``` **Parameters** ``` id (string) modelClassName (string) folder (string) name (string) ``` **Returns** ``` Metadata details. ``` ## getClasses Get classes based on the provided filter. ``` MetaApi.getClasses(filter) or MetaApi.getClasses(dsName, filter) or MetaApi.getClasses(dsName, schemaName, filter) or MetaApi.getClasses(appName, dsName, schemaName, filter) ``` **Parameters** ``` filter (string) dsName (string) schemaName (string) appName (string) ``` **Returns** ``` List of classes. ``` ## getClassNames Get class names based on the provided filter. ``` MetaApi.getClassNames(filter) or MetaApi.getClassNames(dsName, filter) or MetaApi.getClassNames(dsName, schemaName, filter) or MetaApi. getClassNames(appName, dsName, schemaName, filter) ``` **Parameters** ``` filter (string) dsName (string) schemaName (string) appName (string) ``` **Returns** ``` List of class names. ``` ## getDataSourceNames Get data source names based on the provided filter. ``` MetaApi.getDataSourceNames(filter) or MetaApi.getDataSourceNames(appName, filter) ``` **Parameters** ``` filter (string) appName (string) ``` **Returns** ``` List of data source names. ``` ## getDataSources Get data sources based on the provided filter. ``` MetaApi.getDataSources(filter) or MetaApi.getDataSources(appName, filter) ``` **Parameters** ``` filter (string) appName (string) ``` **Returns** ``` List of data sources. ``` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://trillo.gitbook.io/trillo-workbench-python-sdk/meta-api-metaapi/retrieve-apis.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.