MDB activation-config-property-value

why we need below kind of entries in ejb.jar.xml for MDBs

					<activation-config-property-value>Ixy 'aaa'</activation-config-property-value>

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what is importance of activation-config-property-value and how that is related to XSD and incoming messages to the system through the Active MQ of IBM

Please advise.
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The activation configuration are properties (key/value pairs) that are passed to the MDB container when you deploy an MDB. These properties are used to configure the MDB.

In your example you define a message selector by using the activation configuration properties. This means that your MDB will only receive messages that comply with the selector (it will only receive messages that their property named "Ixy" has the value of  "aaa"*).

* I am not sure if the Ixy 'aaa' is a valid value. You would normally do Ixy = 'aaa'

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