Overview
This guide explains how to configure a Composite Datasource in Ambience Designer to filter and display .rml files from a specified directory.
Step 1: Create a New Folder
Open Ambience Designer and navigate to your desired directory. Right-click to create a new folder. This folder will store your File System Datasource.
Step 2: Create a New File System Datasource
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In the newly created folder, right-click and select Add > DataSource.
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Choose FileSystem and click Next.
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Specify the root directory where your folders and subfolders are located.
Tip: Right-click the root directory and select Copy to quickly obtain the full path.
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Ensure the Recurse into subdirectories option is enabled to include files from all nested directories.
Step 3: Create a New Composite Datasource
Once the File System Datasource is set up, create a Composite Datasource under the same folder.
Step 4: Configure the Composite Datasource
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Open the Composite Datasource in the designer.
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Drag a Datasource component from the palette into the design area.
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Double-click the Datasource component and select the File System Datasource created earlier.
Step 5: Filter the Datasources
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Add a Filter component into the design area.
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Use the Flow tool to connect:
Datasource → Filter → Result -
Double-click the Filter component.
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In the configuration panel, locate the Extension row.
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Set When to Matches and Condition to
rml.
Step 6: View the Results
Right-click the Result component and select View. A list of all .rml files under the specified root directory will be displayed.
