**To modify a replication task** The following ``modify-replication-task`` example changes the table mappings for a task. :: aws dms modify-replication-task \ --replication-task-arn "arn:aws:dms:us-east-1:123456789012:task:K55IUCGBASJS5VHZJIINA45FII" \ --table-mappings file://table-mappings.json Contents of ``table-mappings.json``:: { "rules": [ { "rule-type": "selection", "rule-id": "1", "rule-name": "1", "object-locator": { "schema-name": "prodrep", "table-name": "ACCT_%" }, "rule-action": "include", "filters": [] } ] } Output:: { "ReplicationTask": { "ReplicationTaskIdentifier": "moveit2", "SourceEndpointArn": "arn:aws:dms:us-east-1:123456789012:endpoint:6GGI6YPWWGAYUVLKIB732KEVWA", "TargetEndpointArn": "arn:aws:dms:us-east-1:123456789012:endpoint:EOM4SFKCZEYHZBFGAGZT3QEC5U", "ReplicationInstanceArn": "arn:aws:dms:us-east-1:123456789012:rep:T3OM7OUB5NM2LCVZF7JPGJRNUE", "MigrationType": "full-load", "TableMappings": ...output omitted..., "ReplicationTaskSettings": ...output omitted..., "Status": "modifying", "StopReason": "Stop Reason FULL_LOAD_ONLY_FINISHED", "ReplicationTaskCreationDate": 1590524772.505, "ReplicationTaskStartDate": 1590789424.653, "ReplicationTaskArn": "arn:aws:dms:us-east-1:123456789012:task:K55IUCGBASJS5VHZJIINA45FII" } } For more information, see `Working with AWS DMS Tasks <https://docs.aws.amazon.com/dms/latest/userguide/CHAP_Tasks.html>`__ in the *AWS Database Migration Service User Guide*.