Assign a Meta Key to All Merchants {#keys-meta-assign-all}
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Follow these steps to assign an existing meta key to all current MIDs and automatically assign it to all future MIDs.

1. On the left navigation panel of the `Business Center`, choose ![](/content/dam/new-documentation/documentation/en-us/common/images/ebc/ebc-icon-pymt-config.svg/jcr:content/renditions/original) **Payment Configuration \> Key Management**.{#keys-meta-assign-all_step-1}
   {#keys-meta-assign-all_step-1}
2. Find the key that you want to assign or revoke by searching and filtering.{#keys-meta-assign-all_step-2}
   {#keys-meta-assign-all_step-2}
3. In the Edit Key column, click the ![](/content/dam/new-documentation/documentation/en-us/common/images/ebc/ebc-bttn-edit.svg/jcr:content/renditions/original) edit button.  
   The Edit Key page appears. {#keys-meta-assign-all_step-3}
   {#keys-meta-assign-all_step-3}
4. Check the **Meta Key** check box if it is not already.{#keys-meta-assign-all_step-4}
   {#keys-meta-assign-all_step-4}
5. Select **All current and future MIDs** if it is not already.{#keys-meta-assign-all_step-5}
   {#keys-meta-assign-all_step-5}
6. Click **Submit** when done.  
   ![](/content/dam/new-documentation/documentation/en-us/topics/payments-processing/payment-services/sec-keys/images/security-keys-meta-edit.png/jcr:content/renditions/original) {#keys-meta-assign-all_step-6-cmd}
   {#keys-meta-assign-all_step-6}