Quick Start
Chain

3min
Introduction
The Chain type describes the supported chains﻿ and must be defined in the metadata for BlockchainAction or TransferAction to execute properly. This is critical because if you try to execute a function from a contract on Avalanche but specify Celo as Chain, the transaction will not fail at the source chain, but it will fail when trying to execute on Celo since the function will not exist there.
Chain Type
The Chain type has the following definition
TypeScript
export type Chain = "fuji" | "avalanche" | "alfajores" | "celo"
export type Chain = "fuji" | "avalanche" | "alfajores" | "celo"
﻿
Example
TypeScript
{
    type: "action",
    url: "https://sherry.social/links",
    icon: "icon",
    title: "sherry.social",
    description: "claim your early supporter badge",
    actions: [
        {
           label: "Mint Badge",
           address: "0x1234567890abcdef1234567890abcdef12345678",
           abi: exampleAbi,
           functionName: "safeMint",
           paramsLabel: ["To"],
           chain: "avalanche"
        }
    ]
};
{
    type: "action",
    url: "https://sherry.social/links",
    icon: "icon",
    title: "sherry.social",
    description: "claim your early supporter badge",
    actions: [
        {
           label: "Mint Badge",
           address: "0x1234567890abcdef1234567890abcdef12345678",
           abi: exampleAbi,
           functionName: "safeMint",
           paramsLabel: ["To"],
           chain: "avalanche"
        }
    ]
};
﻿
﻿
Updated 30 Jan 2025
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Transfer Actions
Cross-Chain