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flashInsert()

The flashInsert() function adds a new key-value pair to the Flash scope. This is useful for storing temporary messages or data that you want to persist across the next request, typically after a redirect. You can insert any type of value, such as strings, numbers, or structs, and later retrieve it using flash().

Name	Type	Required	Default	Description

1. Insert a simple flash message
flashInsert(msg="It Worked!");

2. Insert multiple types of data
flashInsert(userId=123);
flashInsert(errorMessage="Something went wrong");

3. Typical usage: insert a message before redirecting
flashInsert(notice="Profile updated successfully");
redirectTo(action="show");

4. Insert a structured value
flashInsert(userStruct={id=42, name="Alice"});