def add_tags(ResourceId=None, Tags=None):
    """
    Adds tags to an Amazon EMR resource. Tags make it easier to associate clusters in various ways, such as grouping clusters to track your Amazon EMR resource allocation costs. For more information, see Tagging Amazon EMR Resources .
    See also: AWS API Documentation
    
    
    :example: response = client.add_tags(
        ResourceId='string',
        Tags=[
            {
                'Key': 'string',
                'Value': 'string'
            },
        ]
    )
    
    
    :type ResourceId: string
    :param ResourceId: [REQUIRED]
            The Amazon EMR resource identifier to which tags will be added. This value must be a cluster identifier.
            

    :type Tags: list
    :param Tags: [REQUIRED]
            A list of tags to associate with a cluster and propagate to EC2 instances. Tags are user-defined key/value pairs that consist of a required key string with a maximum of 128 characters, and an optional value string with a maximum of 256 characters.
            (dict) --A key/value pair containing user-defined metadata that you can associate with an Amazon EMR resource. Tags make it easier to associate clusters in various ways, such as grouping clusters to track your Amazon EMR resource allocation costs. For more information, see Tagging Amazon EMR Resources .
            Key (string) --A user-defined key, which is the minimum required information for a valid tag. For more information, see Tagging Amazon EMR Resources .
            Value (string) --A user-defined value, which is optional in a tag. For more information, see Tagging Amazon EMR Resources .
            
            

    :rtype: dict
    :return: {}
    
    
    """
    pass
