unable to make changes

await rule.edit({
          actions: [
            {
              type: 1,
              metadata: {
                channel: alertChannel,
                durationSeconds: durationSeconds,
                customMessage: `This message has been blocked due to a blacklisted word. You have been timed out for ${timeoutDuration}.`,
              },
            },
          ],
        });

let durationSeconds;

        switch (timeoutDuration) {
          case '60s':
            durationSeconds = "60 secs";
            break;
          case '5m':
            durationSeconds = "5 mins";
            break;
          case '10m':
            durationSeconds = "10 mins";
            break;
          case '1h':
            durationSeconds = "1 hour";
            break;
          case '1d':
            durationSeconds = "1 day";
            break;
          case '1w':
            durationSeconds = "1 week";
            break;
        }

const alertChannel = message.mentions.channels.first();
    if (!alertChannel) {
      return message.channel.send('Please mention a valid alert channel.');
    }

let durationSeconds;

        switch (timeoutDuration) {
          case '60s':
            durationSeconds = 60;
            break;
          case '5m':
            durationSeconds = 5 * 60;
            break;
          case '10m':
            durationSeconds = 10 * 60;
            break;
          case '1h':
            durationSeconds = 60 * 60;
            break;
          case '1d':
            durationSeconds = 24 * 60 * 60;
            break;
          case '1w':
            durationSeconds = 7 * 24 * 60 * 60;
            break;
        }

await rule.edit({
          actions: [
            {
              type: 1,
              metadata: {
                channel: logChannel,
                durationSeconds: 0, // Set to 0 to disable message blocking
                customMessage: `This message has been blocked due to a blacklisted word.`,
              },
            },
            {
              type: 2, // Alert channel action
              metadata: {
                channel: logChannel,
              },
            },
            {
              type: 3, // Timeout action
              metadata: {
                durationSeconds: durationSeconds,
              },
            },
          ],
        });

const logChannel = message.mentions.channels.first() || client_guild.channels.cache.get(value);

          if (!logChannel) {
            return message.channel.send('Please provide a valid log channel (mention or ID).');
          }

          const existingActions = rule.actions;
          const updatedActions = [
            {
              type: 1,
              metadata: existingActions[0].metadata,
            },
            {
              type: 2, // Alert channel action
              metadata: {
                channel: logChannel,
              },
            },
            {
              type: 3, // Timeout action
              metadata: existingActions.find(action => action.type === 3).metadata,
            },
          ];

          await rule.edit({
            actions: updatedActions,
          });

TypeError: Cannot read properties of undefined (reading 'metadata')
    at Object.execute (/home/container/commands/automod/setpunishment.js:107:74)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)

 return {
              type: 2,
              metadata: {
                channel: message.mentions.channels.first() || client_guild.channels.cache.get(value),
              },
            };
          } else {
            return action; // Keep the action unchanged
          }
        });