====== minecraft:modify_sign ======
The ''minecraft:modify_sign'' action modifies a [[mc>Sign]]'s color, glow and wax properties.
This action is unsuccessful if ''this'' player does not exist, if the sign is already waxed or if no changes were made to the sign.


===== Fields =====
^  Name  ^  Description  ^  Type  ^  Default Value  ^
| ''position'' | The position to target. | An [[actions:action_contexts#parameters|action context parameter]] | |
| ''color'' | The color to give the sign. If not present, won't change the color. | An optional dye | |
| ''glow'' | Whether to make the sign glow or not. If not present, won't change the glow. | An optional boolean | |
| ''wax'' | Whether to make the sign waxed or not. If not present, won't change the wax. | An optional boolean | |


===== Example =====
<code javascript>
{
  "type": "minecraft:modify_sign",
  "position": "target",
  "glow": true
}
</code>