Data Labels on The Plot

Mix.install([
  {:plotly_ex, "~> 0.3"},
  {:kino, "~> 0.18"}
])

Section

Set mode to include "text" to render labels directly on the plot (not just on hover). Use textposition to control placement: "top center", "bottom center", "middle right", etc. Style labels with textfont.

alias Plotly.{Figure, Scatter}

Figure.new()
|> Figure.add_trace(
  Scatter.new(
    x: [1, 2, 3, 4, 5],
    y: [2, 1, 4, 3, 5],
    mode: "markers+text",
    name: "Team A",
    text: ["A-1", "A-2", "A-3", "A-4", "A-5"],
    textposition: "top center",
    textfont: %{family: "Raleway, sans-serif"},
    marker: %{size: 12}
  )
)
|> Figure.add_trace(
  Scatter.new(
    x: [1, 2, 3, 4, 5],
    y: [4, 3, 6, 5, 7],
    mode: "markers+text",
    name: "Team B",
    text: ["B-1", "B-2", "B-3", "B-4", "B-5"],
    textposition: "bottom center",
    textfont: %{family: "Times New Roman"},
    marker: %{size: 12}
  )
)
|> Figure.update_layout(
  title: "Data Labels on the Plot",
  legend: %{y: 0.5, font: %{size: 16}}
)
|> Plotly.show()