Base64-encoded image data to replace the board background image. Only applicable for custom backgrounds. This parameter is rarely needed since most updates use brightness and tile properties.
tilestring
Determines if the board background image should be tiled. Set to 'true' to tile the image, or 'false' to display it normally.
idMemberstring
Required
The ID or username of the Trello member whose board background is being updated. Use 'me' for the authenticated user.
brightnessstring
Adjusts the brightness of the board background. Valid values are 'dark', 'light', or 'unknown'.
idBoardBackgroundstring
Required
The ID of the existing board background to be updated. This identifier specifies which of the member's board backgrounds will be modified.
Observable output
data
Required
Data from the action execution
errorstring
Error if any occurred during the execution of the action
successfulboolean
Required
Whether or not the action execution was successful or not