Block Replacement

Basic Example

{
  "type": "block_replacement",
  "ref": "sample-ref"
}

string

required

Identifies this as a replacement blockMust be block_replacement

string

required

Reference key to look up in the replacements object

undefined

required

Default content to display if the replacement is not foundAccepts: object, array

This element is part of the BlockKit system for building dynamic user interfaces
All properties marked as (required) must be included in your JSON structure
Optional properties can be omitted and will use their default values when applicable

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