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Leave empty to keep everything.", "items": { "type": "string" } }, "excludeKeywords": { "title": "Skip rows containing", "type": "array", "description": "Optional. Drop any result that mentions one of these words. Leave empty to skip nothing.", "items": { "type": "string" } }, "maxResults": { "title": "Max posts per publication", "type": "integer", "description": "Caps how many recent feed posts to retrieve per publication.", "default": 50 }, "deltaMode": { "title": "Only return posts that are new since the last run", "type": "boolean", "description": "Stores latest guid and pubDate in KV store and returns only new posts.", "default": false }, "deltaName": { "title": "Watchlist name (optional)", "type": "string", "description": "Custom key for stored state in the Apify KV store.", "default": "" }, "fetchFullArticle": { "title": "Fetch full article HTML for paywall verification", "type": "boolean", "description": "Inspect full HTML DOM for Substack paywall classes (.paywall-subscribe) when RSS markup is inconclusive.", "default": false }, "columns": { "title": "Which columns do you want?", "type": "array", "description": "Choose which pieces of information to include in each result row. All are included by default.", "items": { "type": "string", "enum": [ "publicationUrl", "publicationTitle", "title", "postUrl", "pubDate", "guid", "author", "isPaywalled", "description", "isNew", "firstSeenAt" ], "enumTitles": [ "Publication URL", "Publication title", "Post title", "Post link", "Published date", "Post GUID", "Author", "Is paywalled?", "Post summary", "Is this post new?", "First seen on a run" ] }, "default": [ "publicationUrl", "publicationTitle", "title", "postUrl", "pubDate", "guid", "author", "isPaywalled", "description", "isNew", "firstSeenAt" ] }, "expandRows": { "title": "One row per post (recommended) — turn off for one row per publication instead", "type": "boolean", "description": "When on, each post found gets its own row instead of being grouped under its publication. 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