Signup for Zapier
Navigate to the Packfleet integration page on the Zapier app store
From there select the trigger or action you would like to use. Follow the prompts in Zapier to connect your Packfleet account
Once you have done that Zapier will walk you through the steps for mapping your data between your Zapier trigger and Zapier actions. For a more detailed example check out this template for creating shipments from new spreadsheet rows.