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How are data modification functions used in ampscript?
Two sets of functions allow AMPscript to modify your data extension data: These functions allow insert, update, upsert, and delete actions at the subscriber level. The use of these functions is restricted according to the content being processed by the Marketing Cloud system.
Why does a code block declaration set off ampscript?
A code block declaration sets off the first part of the AMPscript – %% [ and ]%% – because that AMPscript spans over several lines located between the “/ 101 /” comments. The subscriber does not see the results of these variables yet.
How to test email ampscript with data extension?
To test your email with the data extension you use for the actual send, click Send Preview and select the data extension from your available send options. Choose a test recipient to start your preview with and click Generate Preview. You will see the information the AMPscript pulled from the data extension placed into the email:
How to generate a preview of an ampscript?
Choose a test recipient to start your preview with and click Generate Preview. You will see the information the AMPscript pulled from the data extension placed into the email: Click the arrow keys to cycle through the other rows in the data extension.
How is ampscript different from other scripting languages?
While other scripting languages offer user-defined functions (for example, JavaScript), AMPscript uses a declarative approach through predefined functions which are primarily oriented to displaying, transforming and storing customer data and marketing content.
What makes an ampscript function a pure function?
AMPscript functions are pure functions, which mean they take some input and return an output based on the input. Pure functions form the foundation of functional programming and are independent, which means that you can move them around your code, making it easy to refactor or adapt.
How does the upsert function work in ampscript?
For upsert operations, if the initial update affects no rows, the system performs an insert and returns the number of rows affected by the last operation. Landing page functions generate an error if they appear in content not built for landing pages.