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Comma-separated list that specifies the age(s) for each of the children in each of the rooms. Example: room2.childAges=1,3 means two children (1-year old and 3-year old) are staying in room #2. Children must be accompanied by an adult. Total number of children is indicated by the number of childAges included. If there are no children in the party then this value should not be included. NOTE: multiple room request is only supported for conventional lodging hotels. Request for Vrbo properties should include the ages of all the children in the first room. e.g. 1 child age 10 in room #1 and 1 child age 11 in room #2, \"room1.childAges\" is 10,11.