# Set up credentials and connections Control / params A variant of [Set parameters](https://meridian.online/operations/set-parameters). Store secrets, obtain tokens and define connections that later steps use to reach a service. Page: ## Status Not built yet. arcform does not do this yet; it would live in how a Protocol runs. [Its place on the roadmap](https://meridian.online/roadmap#set-parameters) ## What other tools call it Meridian's classification; an independent blind rating agreed on 95.7% of 324 rows (variant, version 3). - Alteryx Designer: [`LLM Override`](https://help.alteryx.com/current/en/designer/tools/ai-tools/llm-override-tool.html) (read 2026-09-27) - DuckDB: [`CREATE SECRET`](https://duckdb.org/docs/current/sql/statements/create_secret) (read 2026-09-27) - DuckDB: `duckdb_secret_types` (read 2026-09-27) - DuckDB: `duckdb_secrets` (read 2026-09-27) - DuckDB: `which_secret` (read 2026-09-27) - Apache Hop: [`Set password encoder`](https://hop.apache.org/manual/latest/workflow/actions/setpasswordencoder.html) (read 2026-09-27) - KNIME Analytics Platform: [`Create File/Folder Variables`](https://api.hub.knime.com/nodes/*EgOX1gHkh6df_n56?details=full) (read 2026-09-27) - KNIME Analytics Platform: [`Credentials Properties Extractor`](https://api.hub.knime.com/nodes/*cSIykIME28P8dAx-?details=full) (read 2026-09-27) - KNIME Analytics Platform: [`Google Authenticator`](https://api.hub.knime.com/nodes/*bF5bfd2lJMf3IYjf?details=full) (read 2026-09-27) - KNIME Analytics Platform: [`KNIME Google Workload Identity Federation (extension)`](https://api.hub.knime.com/extensions/org.knime.features.google.wif) (read 2026-09-27) - KNIME Analytics Platform: [`KNIME Hub Authenticator`](https://api.hub.knime.com/nodes/*A_TvmdaRzdeid-t4?details=full) (read 2026-09-27) - KNIME Analytics Platform: [`Microsoft Authenticator`](https://api.hub.knime.com/nodes/*f__YQsR0VpxoU5I3?details=full) (read 2026-09-27) - KNIME Analytics Platform: [`OAuth2 Authenticator`](https://api.hub.knime.com/nodes/*a5e7aaUxN7A9akSp?details=full) (read 2026-09-27) - KNIME Analytics Platform: [`OAuth2 Authenticator (Client Credentials)`](https://api.hub.knime.com/nodes/*KQ4-7YR1MWPCVaom?details=full) (read 2026-09-27) - KNIME Analytics Platform: [`OAuth2 Authenticator (Password)`](https://api.hub.knime.com/nodes/*mdcbhPTYxzW1S52U?details=full) (read 2026-09-27) - KNIME Analytics Platform: [`Variable to Credentials`](https://api.hub.knime.com/nodes/*s3iH66WHfGCA5Mpb?details=full) (read 2026-09-27) - Apache NiFi: [`Connection, credential and cache services (family)`](https://nifi.apache.org/components/) (read 2026-09-27) - Apache NiFi: [`RecordSinkServiceLookup`](https://nifi.apache.org/components/org.apache.nifi.record.sink.lookup.RecordSinkServiceLookup/) (read 2026-09-27) - Apache NiFi: [`Schema registry and schema reference services (family)`](https://nifi.apache.org/components/) (read 2026-09-27) - OpenRefine: [`Manage Wikidata account`](https://openrefine.org/docs/manual/wikibase/overview#manage-wikidata-account) (read 2026-09-27) - OpenRefine: [`Select Wikibase instance...`](https://openrefine.org/docs/manual/wikibase/overview#add-the-wikimedia-commons-manifest-to-openrefine) (read 2026-09-27) - Polars: [`Cloud credential providers (family)`](https://docs.pola.rs/api/python/stable/reference/io.html) (read 2026-09-27) - Power Query M: [`Identity and access-control functions (family)`](https://learn.microsoft.com/en-us/powerquery-m/accessing-data-functions) (read 2026-09-27) - RapidMiner Studio: [`Clear Cookies`](https://docs.rapidminer.com/latest/studio/operators/extensions/Web%20Mining/clear_cookies.html) (read 2026-09-27) - RapidMiner Studio: [`Get JWT (AI Hub)`](https://docs.rapidminer.com/latest/studio/operators/extensions/Admin%20Tools/ai_hub/aihub_get_jwt.html) (read 2026-09-27) - RapidMiner Studio: [`Get Token (IoT)`](https://docs.rapidminer.com/latest/studio/operators/data_access/iot/altair_iot/iot_get_token.html) (read 2026-09-27) - RapidMiner Studio: [`Read Dictionary`](https://docs.rapidminer.com/latest/studio/operators/extensions/Custom%20Operators/data_access/read_dictionary.html) (read 2026-09-27) - Talend: [`Application connection components (family)`](https://help.qlik.com/talend/en-US/components/8.0/About) (read 2026-09-27) - Talend: [`Database connection components (family)`](https://help.qlik.com/talend/en-US/components/8.0/About) (read 2026-09-27) - Talend: [`File store connection components (family)`](https://help.qlik.com/talend/en-US/components/8.0/About) (read 2026-09-27) - Talend: [`Messaging connection components (family)`](https://help.qlik.com/talend/en-US/components/8.0/About) (read 2026-09-27) - Talend: [`tCyberarkCCPInput`](https://help.qlik.com/talend/en-US/components/8.0/cyberark/cyberark-component) (read 2026-09-27) - Talend: [`tCyberarkInput`](https://help.qlik.com/talend/en-US/components/8.0/cyberark/cyberark-component) (read 2026-09-27) - Talend: [`tNamedPipeClose`](https://help.qlik.com/talend/en-US/components/8.0/namedpipe/namedpipe-component) (read 2026-09-27) - Talend: [`tNamedPipeOpen`](https://help.qlik.com/talend/en-US/components/8.0/namedpipe/namedpipe-component) (read 2026-09-27) - Talend: [`tSetKerberosConfiguration`](https://help.qlik.com/talend/en-US/components/8.0/kerberos/kerberos-component) (read 2026-09-27) - Talend: [`tSetKeystore`](https://help.qlik.com/talend/en-US/components/8.0/keystore/keystore-component) (read 2026-09-27) - Talend: [`tSetProxy`](https://help.qlik.com/talend/en-US/components/8.0/proxy/proxy-component) (read 2026-09-27) - Talend: [`tTachyonConfiguration`](https://help.qlik.com/talend/en-US/components/8.0/tachyon/tachyon-component) (read 2026-09-27)