> ## Documentation Index > Fetch the complete documentation index at: https://docs.pingtree.com/llms.txt > Use this file to discover all available pages before exploring further. # Tags > Apply static key-value tags to all leads from a source for better attribution and segmentation. > **Note:** This tab is available in **Custom Source (CS)**, **Marketing Partner (MP)**, and **Media Channel (MC)** source types. All Sources The **Source Tags** tab allows users to automatically attach static key-value pairs to all leads coming from a specific traffic source. This is useful when you want to ensure that certain metadata or identifiers are consistently included with each lead submission — without relying on affiliates or publishers to send that data manually. ### How It Works Instead of asking your traffic partners to pass specific values (e.g. utm, adv, sub params), you can define them once using Source Tags. These tags are automatically included with any lead associated with the source. ### Example Use Cases * Add a static value like `sub1=website` or `utm_campaign=google-campaign-1` * Identify and track partner-specific performance without requiring custom link parameters * Simplify integration and attribution consistency across multiple traffic sources *** * [Click here to view Custom Source Single View pages](./Custom-Source-Single-View) * [Click here to view Marketing Partner Single View pages](./Marketing-Partner-Single-View) * [Click here to view Media Channel Single View pages](./Media-Channel-Single-View)