def addChassisList(connection, sessionUrl, chassisList):
    '''
        This method is used to add one or more chassis to the chassis list.

        Args:
        - connection is the connection object that manages the HTTP data transfers between the client and the REST API
        - sessionUrl is the address of the session that should run the test
        - chassisList is the list of chassis that will be added to the chassis chain.
    '''
    chassisListUrl = "%s/ixload/chassisChain/chassisList" % (sessionUrl)

    for chassisName in chassisList:
        data = {"name": chassisName}
        chassisId = performGenericPost(connection, chassisListUrl, data)

        #refresh the chassis
        refreshConnectionUrl = "%s/%s/operations/refreshConnection" % (chassisListUrl, chassisId)
        performGenericOperation(connection, refreshConnectionUrl, {})