diff --git a/.changeset/wet-rice-tie.md b/.changeset/wet-rice-tie.md
new file mode 100644
index 0000000000..d1b18310ed
--- /dev/null
+++ b/.changeset/wet-rice-tie.md
@@ -0,0 +1,5 @@
+---
+"@learncard/vc-templates-plugin": patch
+---
+
+[LC-1350] -  Add OBv3 Support to Boost Templates: evidence, alignment, source
diff --git a/packages/plugins/vc-templates/src/templates.ts b/packages/plugins/vc-templates/src/templates.ts
index ecf6e36e7f..2b25da6e17 100644
--- a/packages/plugins/vc-templates/src/templates.ts
+++ b/packages/plugins/vc-templates/src/templates.ts
@@ -119,6 +119,9 @@ export const VC_TEMPLATES: {
             familyTitles,
             skills,
             groupID = '',
+            evidence,
+            alignment,
+            source,
         } = {},
         crypto
     ) => ({
@@ -146,8 +149,11 @@ export const VC_TEMPLATES: {
                 criteria: {
                     narrative: achievementNarrative,
                 },
+                ...(alignment && { alignment }),
             },
+            ...(source && { source }),
         },
+        ...(Array.isArray(evidence) && evidence.length > 0 && { evidence }),
         display,
         familyTitles,
         image: boostImage,
@@ -176,6 +182,9 @@ export const VC_TEMPLATES: {
             familyTitles,
             boostID,
             groupID = '',
+            evidence,
+            alignment,
+            source,
         } = {},
         crypto
     ) => ({
@@ -204,8 +213,11 @@ export const VC_TEMPLATES: {
                 criteria: {
                     narrative: achievementNarrative,
                 },
+                ...(alignment && { alignment }),
             },
+            ...(source && { source }),
         },
+        ...(Array.isArray(evidence) && evidence.length > 0 && { evidence }),
         ...(address
             ? {
                   address: {
diff --git a/packages/plugins/vc-templates/src/types.ts b/packages/plugins/vc-templates/src/types.ts
index 1f4b1f5c14..dbdda4263d 100644
--- a/packages/plugins/vc-templates/src/types.ts
+++ b/packages/plugins/vc-templates/src/types.ts
@@ -80,6 +80,39 @@ export type AddressSpec = {
         longitude?: number | undefined;
     };
 };
+
+export type Source = {
+    type: string[];
+    id?: string;
+    name?: string;
+    description?: string;
+    url?: string;
+    image?: string;
+    address?: {
+        type?: string[];
+        addressLocality?: string;
+        addressRegion?: string;
+        addressCountry?: string;
+    };
+};
+
+export type Alignment = {
+    type: string[];
+    targetName?: string; // https://purl.imsglobal.org/spec/vc/ob/vocab.html#targetName
+    targetType?: string; // https://purl.imsglobal.org/spec/vc/ob/vocab.html#targetType
+    targetFramework?: string; // https://purl.imsglobal.org/spec/vc/ob/vocab.html#targetFramework
+};
+
+export interface Evidence {
+    id?: string;
+    type: [string, ...string[]]; // Changed from string[] to ensure at least one element
+    name?: string;
+    narrative?: string;
+    description?: string;
+    genre?: string;
+    audience?: string;
+}
+
 export type BoostTemplate = {
     did?: string;
     subject?: string;
@@ -101,6 +134,9 @@ export type BoostTemplate = {
     boostID?: BoostID;
     address?: AddressSpec;
     groupID?: string;
+    evidence?: Evidence[];
+    alignment?: Alignment[];
+    source?: Source;
 };
 
 /** @group VC Templates Plugin */