To un-subscribe a User from a Layer Group you will need to call the DeleteUserLayerGroup method. This method is available to developers from the UserManager.asmx Web Service.

Parameters

Name	Requirement	Description
ClientId	mandatory	This is the id for the client that was returned by the CreateSessionKey method.
SessionKey	mandatory	This is the SessionKey for the client that was returned by the CreateSessionKey method.
UserId	mandatory	This is the unique user id for the user as stored in the My Alerts database.
LayerGroupId	mandatory	This is the unique id for the LayerGroup that you wish to remove.
MapSourceId	mandatory	This is the unique id for the MapSource.
LocationId	mandatory	This is the unique id for the Location.

Returns

Syntax

<DeleteUserLayerGroupResult>
	<Error>
		<Code>string</Code>       
		<Description>string</Description>
    </Error>
	<Success>boolean</Success>
</DeleteUserLayerGroupResult>

Error- Code / Description

An error code and description if the call to the web service is unsuccessful and the Success if False.

1001 – Invalid Session key provided

Success

This will be either True or False. If False an error message will be provided in the Error result, if True the user will be un-subscribed from the layer group.

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