The combination of a Merchants defined messaging products, the addresses defined on a Customer, the data persisted for a participant and the actions within a Business Process all help influence when the platform will send messages to the participants. This creates a complex set of possibilities in what may need to be communicated to a Customer and, each messaging type may come with extra features or limitations. The platform will take care of handling this to provide a great experience for Customers. Generally, you want to configure a Merchant with as many messaging products as possible so there are more channels of communication available to communicate with, as it gives more options to the platform.

To make sure that messaging is making the best of each channel we use the following guidelines.

Message Type	Limited Length and Formatting	Rich Formatting
In Progress Business Processes	Tell the user what will happen when they respond with an authorization code.	Tell the user what they might need to prepare, for when they visit the link.
Resolved Business Process	The user will be told about things they need to monitor, or go take Action on	The user will be told about things they need to monitor, or go take Action on

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Instructions Action
Instructions has a special relationship with messaging, check out its catalog page for more information.