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  plotly:
    description: How to add custom buttons to update Plotly chart attributes in Python.
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    name: Custom Buttons
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---

#### Methods
The [updatemenu method](https://plot.ly/python/reference/layout/updatemenus/#layout-updatemenus-items-updatemenu-buttons-items-button-method) determines which [plotly.js function](https://plot.ly/javascript/plotlyjs-function-reference/) will be used to modify the chart. There are 4 possible methods:
- `"restyle"`: modify **data** or data attributes
- `"relayout"`: modify **layout** attributes
- `"update"`: modify **data and layout** attributes; combination of `"restyle"` and `"relayout"`
- `"animate"`: start or pause an [animation](https://plot.ly/python/#animations))


#### Restyle Button
The `"restyle"` method should be used when modifying the data and data attributes of the graph.<br>
**Update One Data Attribute**<br>
This example demonstrates how to update a single data attribute: chart `type` with the `"restyle"` method.

```python
import plotly.graph_objects as go

import pandas as pd

# load dataset
df = pd.read_csv("https://raw.githubusercontent.com/plotly/datasets/master/volcano.csv")

# create figure
fig = go.Figure()

# Add surface trace
fig.add_trace(go.Surface(z=df.values.tolist(), colorscale="Viridis"))

# Update plot sizing
fig.update_layout(
    width=800,
    height=900,
    autosize=False,
    margin=dict(t=0, b=0, l=0, r=0),
    template="plotly_white",
)

# Update 3D scene options
fig.update_scenes(
    aspectratio=dict(x=1, y=1, z=0.7),
    aspectmode="manual"
)

# Add dropdown
fig.update_layout(
    updatemenus=[
        dict(
            type = "buttons",
            direction = "left",
            buttons=list([
                dict(
                    args=["type", "surface"],
                    label="3D Surface",
                    method="restyle"
                ),
                dict(
                    args=["type", "heatmap"],
                    label="Heatmap",
                    method="restyle"
                )
            ]),
            pad={"r": 10, "t": 10},
            showactive=True,
            x=0.11,
            xanchor="left",
            y=1.1,
            yanchor="top"
        ),
    ]
)

# Add annotation
fig.update_layout(
    annotations=[
        dict(text="Trace type:", showarrow=False,
                             x=0, y=1.08, yref="paper", align="left")
    ]
)

fig.show()
```

**Update Several Data Attributes**<br>
This example demonstrates how to update several data attributes: colorscale, colorscale direction, and line display with the "restyle" method.
This example uses the cmocean python package. You can install this package with `pip install cmocean`.

```python
import plotly.graph_objects as go

import pandas as pd

# load dataset
df = pd.read_csv("https://raw.githubusercontent.com/plotly/datasets/master/volcano.csv")

# Create figure
fig = go.Figure()

# Add surface trace
fig.add_trace(go.Heatmap(z=df.values.tolist(), colorscale="Viridis"))

# Update plot sizing
fig.update_layout(
    width=800,
    height=900,
    autosize=False,
    margin=dict(t=100, b=0, l=0, r=0),
)

# Update 3D scene options
fig.update_scenes(
    aspectratio=dict(x=1, y=1, z=0.7),
    aspectmode="manual"
)

# Add drowdowns
# button_layer_1_height = 1.08
button_layer_1_height = 1.12
button_layer_2_height = 1.065

fig.update_layout(
    updatemenus=[
        dict(
            buttons=list([
                dict(
                    args=["colorscale", "Viridis"],
                    label="Viridis",
                    method="restyle"
                ),
                dict(
                    args=["colorscale", "Cividis"],
                    label="Cividis",
                    method="restyle"
                ),
                dict(
                    args=["colorscale", "Blues"],
                    label="Blues",
                    method="restyle"
                ),
                dict(
                    args=["colorscale", "Greens"],
                    label="Greens",
                    method="restyle"
                ),
            ]),
            type = "buttons",
            direction="right",
            pad={"r": 10, "t": 10},
            showactive=True,
            x=0.1,
            xanchor="left",
            y=button_layer_1_height,
            yanchor="top"
        ),
        dict(
            buttons=list([
                dict(
                    args=["reversescale", False],
                    label="False",
                    method="restyle"
                ),
                dict(
                    args=["reversescale", True],
                    label="True",
                    method="restyle"
                )
            ]),
            type = "buttons",
            direction="right",
            pad={"r": 10, "t": 10},
            showactive=True,
            x=0.13,
            xanchor="left",
            y=button_layer_2_height,
            yanchor="top"
        ),
        dict(
            buttons=list([
                dict(
                    args=[{"contours.showlines": False, "type": "contour"}],
                    label="Hide lines",
                    method="restyle"
                ),
                dict(
                    args=[{"contours.showlines": True, "type": "contour"}],
                    label="Show lines",
                    method="restyle"
                ),
            ]),
            type = "buttons",
            direction="right",
            pad={"r": 10, "t": 10},
            showactive=True,
            x=0.5,
            xanchor="left",
            y=button_layer_2_height,
            yanchor="top"
        ),
    ]
)

fig.update_layout(
    annotations=[
        dict(text="colorscale", x=0, xref="paper", y=1.1, yref="paper",
                             align="left", showarrow=False),
        dict(text="Reverse<br>Colorscale", x=0, xref="paper", y=1.06,
                             yref="paper", showarrow=False),
        dict(text="Lines", x=0.47, xref="paper", y=1.045, yref="paper",
                             showarrow=False)
    ])

fig.show()
```

#### Relayout Button
The `"relayout"` method should be used when modifying the layout attributes of the graph.<br>
**Update One Layout Attribute**<br>
This example demonstrates how to update a layout attribute: chart `type` with the `"relayout"` method.

```python
import plotly.graph_objects as go

# Generate dataset
import numpy as np
np.random.seed(1)

x0 = np.random.normal(2, 0.4, 400)
y0 = np.random.normal(2, 0.4, 400)
x1 = np.random.normal(3, 0.6, 600)
y1 = np.random.normal(6, 0.4, 400)
x2 = np.random.normal(4, 0.2, 200)
y2 = np.random.normal(4, 0.4, 200)

# Create figure
fig = go.Figure()

# Add traces
fig.add_trace(
    go.Scatter(
        x=x0,
        y=y0,
        mode="markers",
        marker=dict(color="DarkOrange")
    )
)

fig.add_trace(
    go.Scatter(
        x=x1,
        y=y1,
        mode="markers",
        marker=dict(color="Crimson")
    )
)

fig.add_trace(
    go.Scatter(
        x=x2,
        y=y2,
        mode="markers",
        marker=dict(color="RebeccaPurple")
    )
)

# Add buttons that add shapes
cluster0 = [dict(type="circle",
                            xref="x", yref="y",
                            x0=min(x0), y0=min(y0),
                            x1=max(x0), y1=max(y0),
                            line=dict(color="DarkOrange"))]
cluster1 = [dict(type="circle",
                            xref="x", yref="y",
                            x0=min(x1), y0=min(y1),
                            x1=max(x1), y1=max(y1),
                            line=dict(color="Crimson"))]
cluster2 = [dict(type="circle",
                            xref="x", yref="y",
                            x0=min(x2), y0=min(y2),
                            x1=max(x2), y1=max(y2),
                            line=dict(color="RebeccaPurple"))]

fig.update_layout(
    updatemenus=[
        dict(
            type="buttons",
            buttons=[
                dict(label="None",
                     method="relayout",
                     args=["shapes", []]),
                dict(label="Cluster 0",
                     method="relayout",
                     args=["shapes", cluster0]),
                dict(label="Cluster 1",
                     method="relayout",
                     args=["shapes", cluster1]),
                dict(label="Cluster 2",
                     method="relayout",
                     args=["shapes", cluster2]),
                dict(label="All",
                     method="relayout",
                     args=["shapes", cluster0 + cluster1 + cluster2])
            ],
        )
    ]
)

# Update remaining layout properties
fig.update_layout(
    title_text="Highlight Clusters",
    showlegend=False,
)

fig.show()
```

#### Update Button
The `"update"` method should be used when modifying the data and layout sections of the graph.<br>
This example demonstrates how to update which traces are displayed while simultaneously updating layout attributes such as the chart title and annotations.

```python
import plotly.graph_objects as go

import pandas as pd

# Load dataset
df = pd.read_csv(
    "https://raw.githubusercontent.com/plotly/datasets/master/finance-charts-apple.csv")
df.columns = [col.replace("AAPL.", "") for col in df.columns]

# Initialize figure
fig = go.Figure()

# Add Traces

fig.add_trace(
    go.Scatter(x=list(df.index),
               y=list(df.High),
               name="High",
               line=dict(color="#33CFA5")))

fig.add_trace(
    go.Scatter(x=list(df.index),
               y=[df.High.mean()] * len(df.index),
               name="High Average",
               visible=False,
               line=dict(color="#33CFA5", dash="dash")))

fig.add_trace(
    go.Scatter(x=list(df.index),
               y=list(df.Low),
               name="Low",
               line=dict(color="#F06A6A")))

fig.add_trace(
    go.Scatter(x=list(df.index),
               y=[df.Low.mean()] * len(df.index),
               name="Low Average",
               visible=False,
               line=dict(color="#F06A6A", dash="dash")))

# Add Annotations and Buttons
high_annotations = [dict(x="2016-03-01",
                         y=df.High.mean(),
                         xref="x", yref="y",
                         text="High Average:<br> %.2f" % df.High.mean(),
                         ax=0, ay=-40),
                    dict(x=df.High.idxmax(),
                         y=df.High.max(),
                         xref="x", yref="y",
                         text="High Max:<br> %.2f" % df.High.max(),
                         ax=0, ay=-40)]
low_annotations = [dict(x="2015-05-01",
                        y=df.Low.mean(),
                        xref="x", yref="y",
                        text="Low Average:<br> %.2f" % df.Low.mean(),
                        ax=-40, ay=40),
                   dict(x=df.High.idxmin(),
                        y=df.Low.min(),
                        xref="x", yref="y",
                        text="Low Min:<br> %.2f" % df.Low.min(),
                        ax=0, ay=40)]

fig.update_layout(
    updatemenus=[
        dict(
            type="buttons",
            direction="right",
            active=0,
            x=0.57,
            y=1.2,
            buttons=list([
                dict(label="None",
                     method="update",
                     args=[{"visible": [True, False, True, False]},
                           {"title": "Yahoo",
                            "annotations": []}]),
                dict(label="High",
                     method="update",
                     args=[{"visible": [True, True, False, False]},
                           {"title": "Yahoo High",
                            "annotations": high_annotations}]),
                dict(label="Low",
                     method="update",
                     args=[{"visible": [False, False, True, True]},
                           {"title": "Yahoo Low",
                            "annotations": low_annotations}]),
                dict(label="Both",
                     method="update",
                     args=[{"visible": [True, True, True, True]},
                           {"title": "Yahoo",
                            "annotations": high_annotations + low_annotations}]),
            ]),
        )
    ])

# Set title
fig.update_layout(
    title_text="Yahoo",
    xaxis_domain=[0.05, 1.0]
)

fig.show()
```

#### Animate Button
Refer to our animation docs: https://plotly.com/python/#animations for examples on how to use the `animate` method with Plotly buttons.


#### Reference
See https://plotly.com/python/reference/layout/updatemenus/ for more information about `updatemenu` buttons.
