Control the image width in a webhook

Image and Thumbnail columns included in a webook template are inserted using a URL to the image. For example, if your Image column is called Photo, you could include an URL to that image as follows:

Name: <<[Name]>>
Photo: <<[Photo]>>
Address: <<[]Home Address]>>


By default, the image width in the URL is based on the column type, as follows:

  • Thumbnail column: 200
  • Image column: 600

You can control the image width in the URL by creating a format rule.

To create a format rule to control how the thumbnail or image is displayed:

  1. Open the AppSheet Editor.
  2. Go to the UX > Format Rules tab.
  3. Click New Format Rule.
  4. Choose the table containing the Thumbnail or Image column in the For this data field.
  5. Select the column name in the Format these columns and actions field.
  6. Choose one of the following for Image format under Template format:

    Large: Display as 1000 x 1000 image
    Medium: Display as a 600 x 600 image
    Small: Display as a 200 x 200 image
    Tiny: Display as a 50 x 50 image
    Text: Display as a URL
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