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Click the App Launcher and search for Gateway Accounts.
Go to the Gateway Accounts tab.
Click
Permission Sets
Assigned the User to the System Administrator to have access to the Objects of PosiPay.
Go to Set up Home page > Click User under the Administration > Users > User,User
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After clicking the User,User click the Permission Set Assignment
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ChoosePosiPayand click add to Enabled Permissions Sets then click save. You have access of all objects and fields in the PosiPay org.
Gateway Authentication Process
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