# Import

When importing a Rendezvous message, `tibemsd` translates it to an EMS message body type based on the presence of the field as seen in the following table.

Rendezvous Field | EMS Body Type
--- | ---
`JMSBytes` | `JMSBytesMessage`
`JMSObject` | `JMSObjectMessage`
`JMSStream` | `JMSStreamMessage`
`JMSText` | `JMSTextMessage`
None of these fields are present. | `JMSMapMessage`

Note: The field names `DATA` and `_data_` are reserved. We strongly discourage you from using these field names in either EMS and Rendezvous applications, and especially when these two message transport mechanisms interoperate.
Note: Only standard Rendezvous fields identified by name can be imported into EMS. Custom fields and fields identified in the Rendezvous application by field identifiers cannot be imported.
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