Wix Blocks: Widget API Functions
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Add a new function to enable site creators to perform actions related to the widgets on their websites. For example, a site creator who has a shopping widget would like to be able to get the address of a certain customer through the function getAddress(customerId) and set the address through the function setAddress(customerId).
To add a new public function to your widget:
1. Click the Widget API 
icon.
2. Click Add New Public Function or hover over Functions and click the 
icon.
3. Add the code for your function in the code editor, where a new function "foo" appears.
4. Change the new default name to a meaningful name and edit the function.
Don't forget to document When you write your function, make sure to replace the automatic jsdoc that appears above it with your own one. The user of the widget will see the jsdoc when using the function in a site.
Next Step: Using the Widget API on a Site
Learn more about using your Widget API when editing a site.
Learn more about your widget API:
Want to learn more about Blocks? Check out the Wix Blocks help articles