What is a message mapping

With message mapping we mean: Drawing lines, making notes, and defining static inputs between two message definitions to identify how data elements will be transformed from the source to the target definition

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In other words, the art of good message mapping lies within your ability to correctly translate between two definitions. eMagiz will help you to make that art a reality.

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== 3. What is a message mapping ==

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A message mapping is a visual representation of how data is translated from the source definition to the target definition.

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In all integration patterns (Messaging, API Gateway, and Event Streaming) you can translate data elements between definitions.

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You can access a message mapping when you navigate to the Design phase of eMagiz.

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[[image:Main.Images.Microlearning.WebHome@crashcourse-platform-design-what-is-a-message-mapping--design-overview.png]]

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In this phase, you can open the context menu on the integration level (remember, that is a line between eMagiz and an external system).

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The context menu will look slightly different for each integration pattern. These differ as the use case for each pattern differs slightly.

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[[image:Main.Images.Microlearning.WebHome@crashcourse-platform-design-what-is-a-message-mapping--context-menu-messaging-mapping.png]]

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[[image:Main.Images.Microlearning.WebHome@crashcourse-platform-design-what-is-a-message-mapping--context-menu-api-mapping.png]]

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[[image:Main.Images.Microlearning.WebHome@crashcourse-platform-design-what-is-a-message-mapping--context-menu-es-mapping.png]]

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Selecting one of the above options will lead you to an overview similar to the one shown below.

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[[image:Main.Images.Microlearning.WebHome@crashcourse-platform-design-what-is-a-message-mapping--message-mapping-overview.png]]

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In this overview, you can actualize the message mapping between the system (identifiable by the blue bar above the definition) and eMagiz (identifiable by the green bar above the definition).

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In the next microlearning, we will continue to actualize the message mapping so we can transform the data between the external system and eMagiz.

== 4. Assignment ==

Navigate to Design and open the message mapping option of at least one integration within your project.

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This assignment can be completed within the (Academy) project that you have created/used in the previous assignment.

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== 5. Key takeaways ==

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With message mapping we mean: Drawing lines, making notes, and defining static inputs between two message definitions to identify how data elements will be transformed from the source to the target definition

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In other words, the art of good message mapping lies within your ability to correctly translate between two definitions. eMagiz will help you to make that art a reality.

== 6. Suggested Additional Readings ==

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If you are interested in this topic and want more information on it please read the help text provided by eMagiz.

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== 7. Silent demonstration video ==

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