arg – dict of properties compatible with this constructor or an instance of plotly.graph_objects.Sankey

arrangement – If value is snap (the default), the node arrangement is assisted by automatic snapping of elements to preserve space between nodes specified via nodepad. If value is perpendicular, the nodes can only move along a line perpendicular to the flow. If value is freeform, the nodes can freely move on the plane. If value is fixed, the nodes are stationary.

customdata – Assigns extra data each datum. This may be useful when listening to hover, click and selection events. Note that, “scatter” traces also appends customdata items in the markers DOM elements

customdatasrc – Sets the source reference on Chart Studio Cloud for customdata.

domain – plotly.graph_objects.sankey.Domain instance or dict with compatible properties

hoverinfo – Determines which trace information appear on hover. If none or skip are set, no information is displayed upon hovering. But, if none is set, click and hover events are still fired. Note that this attribute is superseded by node.hoverinfo and node.hoverinfo for nodes and links respectively.

hoverlabel – plotly.graph_objects.sankey.Hoverlabel instance or dict with compatible properties

ids – Assigns id labels to each datum. These ids for object constancy of data points during animation. Should be an array of strings, not numbers or any other type.

idssrc – Sets the source reference on Chart Studio Cloud for ids.

legend – Sets the reference to a legend to show this trace in. References to these legends are “legend”, “legend2”, “legend3”, etc. Settings for these legends are set in the layout, under layout.legend, layout.legend2, etc.

legendgrouptitle – plotly.graph_objects.sankey.Legendgrouptitle instance or dict with compatible properties

legendrank – Sets the legend rank for this trace. Items and groups with smaller ranks are presented on top/left side while with “reversed” legend.traceorder they are on bottom/right side. The default legendrank is 1000, so that you can use ranks less than 1000 to place certain items before all unranked items, and ranks greater than 1000 to go after all unranked items. When having unranked or equal rank items shapes would be displayed after traces i.e. according to their order in data and layout.

legendwidth – Sets the width (in px or fraction) of the legend for this trace.

link – The links of the Sankey plot.

meta – Assigns extra meta information associated with this trace that can be used in various text attributes. Attributes such as trace name, graph, axis and colorbar title.text, annotation text rangeselector, updatemenues and sliders label text all support meta. To access the trace meta values in an attribute in the same trace, simply use %{meta[i]} where i is the index or key of the meta item in question. To access trace meta in layout attributes, use %{data[n[.meta[i]} where i is the index or key of the meta and n is the trace index.

metasrc – Sets the source reference on Chart Studio Cloud for meta.

name – Sets the trace name. The trace name appears as the legend item and on hover.

node – The nodes of the Sankey plot.

orientation – Sets the orientation of the Sankey diagram.

selectedpoints – Array containing integer indices of selected points. Has an effect only for traces that support selections. Note that an empty array means an empty selection where the unselected are turned on for all points, whereas, any other non-array values means no selection all where the selected and unselected styles have no effect.

stream – plotly.graph_objects.sankey.Stream instance or dict with compatible properties

textfont – Sets the font for node labels

uid – Assign an id to this trace, Use this to provide object constancy between traces during animations and transitions.

uirevision – Controls persistence of some user-driven changes to the trace: constraintrange in parcoords traces, as well as some editable: true modifications such as name and colorbar.title. Defaults to layout.uirevision. Note that other user-driven trace attribute changes are controlled by layout attributes: trace.visible is controlled by layout.legend.uirevision, selectedpoints is controlled by layout.selectionrevision, and colorbar.(x|y) (accessible with config: {editable: true}) is controlled by layout.editrevision. Trace changes are tracked by uid, which only falls back on trace index if no uid is provided. So if your app can add/remove traces before the end of the data array, such that the same trace has a different index, you can still preserve user-driven changes if you give each trace a uid that stays with it as it moves.

valueformat – Sets the value formatting rule using d3 formatting mini-languages which are very similar to those in Python. For numbers, see: https://github.com/d3/d3-format/tree/v1.4.5#d3-format.

valuesuffix – Adds a unit to follow the value in the hover tooltip. Add a space if a separation is necessary from the value.

visible – Determines whether or not this trace is visible. If “legendonly”, the trace is not drawn, but can appear as a legend item (provided that the legend itself is visible).