Controlling labels
Description
The above example shows you how to create `Sankey` using built-in Google Charts.
For example:
...
"options" => array(
"sankey" => array(
"node" => array(
"colors" => [
'#a6cee3',
'#b2df8a',
'#fb9a99',
'#fdbf6f',
'#cab2d6',
'#ffff99',
'#1f78b4',
'#33a02c'
]
),
"link" => array(
"colorMode" => 'gradient',
"colors" => ['#a6cee3', '#b2df8a', '#fb9a99', '#fdbf6f', '#cab2d6', '#ffff99', '#1f78b4', '#33a02c']
)
)
)