action apptigent_contains_string { label: "Text - Contains string" description: "Determine if a string contains another string" provider: apptigent method: POST path: "/ContainsString" encoding: json input: { type: "object" required: ["find", "input", "lower"] properties: { find: { type: "string" description: "Text to match" } input: { type: "string" description: "Text to search" } lower: { type: "string" description: "Convert strings to lowercase" enum: [true, false] } } } output: { type: "object" properties: { result: { type: "string" description: "Result" } } } }