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Click on the “Add new mapping“ button
Select Magento Attribute - Product Short Description
Select Salesforce Attribute - Short Description
Set “Enable“ to “Yes“ on Magento -> Salesforce Settings section
Set “When“ option to “Upset“
Click the “Save Mapper“ button
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Example
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Go to Magento Admin panel - Catalog - Products and click the “Add Product“ button
Fill all required and desired fields (Product Name, SKU, Price, Short Description, Description)
Click “Save“ button
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