```\nfunction \_delayExecution(bytes \_evmCallScript) internal returns (uint256) {\n    uint256 delayedScriptIndex = delayedScriptsNewIndex;\n    delayedScriptsNewIndex++;\n\n    delayedScripts[delayedScriptIndex] = DelayedScript(getTimestamp64().add(executionDelay), 0, \_evmCallScript);\n\n    emit DelayedScriptStored(delayedScriptIndex);\n\n    return delayedScriptIndex;\n}\n```\n