diff --git a/src/Parser.ts b/src/Parser.ts
index 14eddfd..7430e88 100644
--- a/src/Parser.ts
+++ b/src/Parser.ts
@@ -52,7 +52,7 @@ class Parser extends EventEmitter {
         return command || null;
     }
 
-    async parseMessage(message: string, prefix = this.prefix) {
+    async parseMessage(message: string, prefix = this.prefix, guild?: unknown) {
 
         if (!message.startsWith(prefix) || !message.length) return null;
         let params: string[] = message.replace(prefix, '').split(' ').filter((str) => str.length);
@@ -143,7 +143,7 @@ class Parser extends EventEmitter {
         // Clean up params for option parsing
         for (const flag of Object.values(args)) {
             this.debug(`Running parser for ${flag.name}`);
-            const result = await flag.parse();
+            const result = await flag.parse(guild);
             if (result.error) {
                 if (flag.choices.length) {
                     throw new Error(`Invalid choice for ${flag.name}, Valid choices are ${flag.choices.join(', ')}.`); 
@@ -173,14 +173,14 @@ class Parser extends EventEmitter {
                 error = false;
             if (cloned.plural) { // E.g. if the type is CHANNEL**S**, parse out any potential channels from the message
                 cloned.rawValue = params;
-                ({ removed } = await cloned.parse());
+                ({ removed } = await cloned.parse(guild));
             } else for (let index = 0; index < params.length;) { // Attempt to parse out a value from each param 
                 if (params[index] === null) {
                     index++;
                     continue;
                 }
                 cloned.rawValue = [params[index]];
-                ({ removed, error } = await cloned.parse());
+                ({ removed, error } = await cloned.parse(guild));
                 if (!error) break;
                 index++;
             }
@@ -220,7 +220,7 @@ class Parser extends EventEmitter {
             const val = strings.shift();
             if (!val) break;
             const cloned = strOpt.clone([val]);
-            await cloned.parse();
+            await cloned.parse(guild);
             args[cloned.name] = cloned;
         }
 
diff --git a/src/classes/Command.ts b/src/classes/Command.ts
index 77d8ce4..bd960e4 100644
--- a/src/classes/Command.ts
+++ b/src/classes/Command.ts
@@ -18,7 +18,11 @@ class Command implements ICommand {
 
         this.aliases = def.aliases || [];
 
-        this.options = def.options || [];
+        this.options = [];
+        for (const opt of def.options || []) {
+            if (opt instanceof CommandOption) this.options.push(opt);
+            else this.options.push(new CommandOption(opt));
+        }
 
     }
 
diff --git a/src/classes/CommandOption.ts b/src/classes/CommandOption.ts
index b9dc5d6..4b41022 100644
--- a/src/classes/CommandOption.ts
+++ b/src/classes/CommandOption.ts
@@ -40,6 +40,8 @@ class CommandOption implements ICommandOption {
 
     aliased = false;
 
+    strict: boolean;
+
     private resolver?: IResolver<unknown, unknown, unknown, unknown, unknown>|undefined = undefined;
 
     constructor(def: CommandOptionDefinition|ICommandOption) {
@@ -50,6 +52,7 @@ class CommandOption implements ICommandOption {
         this.options = def.options || [];
         this.choices = def.choices || [];
         
+        this.strict = def.strict || false;
         this.type = def.type || OptionType.STRING;
         this.flag = def.flag || false;
 
@@ -71,9 +74,13 @@ class CommandOption implements ICommandOption {
         return opt;
     }
 
-    async parse(): Promise<ParseResult> {
-        if(!this[OptionType[this.type]]) throw new Error(`Missing parsing function for ${this.type}`);
-        const result = await this[OptionType[this.type]];
+    async parse(guild?: unknown): Promise<ParseResult> {
+        if (!this[OptionType[this.type]]) throw new Error(`Missing parsing function for ${this.type}`);
+        if (typeof this[OptionType[this.type]] !== 'function') throw new Error(`Expected function type for memberr ${OptionType[this.type]}`);
+        this.guild = guild;
+        // eslint-disable-next-line @typescript-eslint/ban-types
+        const func = this[OptionType[this.type]] as Function;
+        const result = await func();
         return result as ParseResult;
     }
 
@@ -84,7 +91,7 @@ class CommandOption implements ICommandOption {
     protected async MEMBER() {
         if (!this.resolver) throw new Error('Missing resolver');
         if(!this.rawValue) throw new Error('Missing raw value');
-        const member = await this.resolver?.resolveMember(this.rawValue[0]);
+        const member = await this.resolver?.resolveMember(this.rawValue[0], this.strict, this.guild);
         if (!member) return { error: true };
         return { value: member, removed: this.rawValue };
     }
diff --git a/src/interfaces/Command.ts b/src/interfaces/Command.ts
index 57f43c0..0c0cd9a 100644
--- a/src/interfaces/Command.ts
+++ b/src/interfaces/Command.ts
@@ -1,6 +1,7 @@
 import CommandOption from '../classes/CommandOption';
 import SubcommandGroupOption from '../classes/SubcommandGroupOption';
 import SubcommandOption from '../classes/SubcommandOption';
+import { CommandOptionDefinition } from './CommandOption';
 
 
 interface ICommand {
@@ -22,7 +23,7 @@ interface ICommand {
 type CommandDefinition = {
     name: string;
     aliases?: string[];
-    options?: CommandOption[];
+    options?: (CommandOption|CommandOptionDefinition)[];
 }
 
 export { ICommand, CommandDefinition };
diff --git a/src/interfaces/CommandOption.ts b/src/interfaces/CommandOption.ts
index 8867c71..cd40806 100644
--- a/src/interfaces/CommandOption.ts
+++ b/src/interfaces/CommandOption.ts
@@ -74,6 +74,7 @@ type CommandOptionDefinition = {
     // eslint-disable-next-line no-use-before-define
     options?: CommandOption[];
     type?: OptionType;
+    strict?: boolean
 
     required?: boolean;
     choices?: Choice[];
@@ -102,6 +103,7 @@ interface ICommandOption {
     options: CommandOption[];
     choices: Choice[]
     type: OptionType;
+    strict: boolean;
     
     required: boolean;
 
@@ -127,7 +129,7 @@ interface ICommandOption {
 
     clone(rawValue?: string[], resolver?: IResolver<unknown, unknown, unknown, unknown, unknown>): CommandOption
 
-    parse(): Promise<ParseResult>
+    parse(guild: unknown): Promise<ParseResult>
 
     get plural(): boolean
 
diff --git a/src/interfaces/Resolver.ts b/src/interfaces/Resolver.ts
index ead53fb..06c5106 100644
--- a/src/interfaces/Resolver.ts
+++ b/src/interfaces/Resolver.ts
@@ -19,7 +19,7 @@ interface IResolver <User, Member, Channel, Role, Guild> {
      * @return {Member}  {Member}
      * @memberof IResolver
      */
-    resolveMember(resolveable: string, strict?: boolean, guild?: Guild): Promise<Member | null>
+    resolveMember(resolveable: string, strict: boolean, guild: Guild): Promise<Member | null>
 
     /**
      * Should resolve to a role abstraction
@@ -30,7 +30,7 @@ interface IResolver <User, Member, Channel, Role, Guild> {
      * @return {Channel}  {Channel}
      * @memberof IResolver
      */
-    resolveChannel(resolveable: string, strict?: boolean, guild?: Guild): Promise<Channel | null>
+    resolveChannel(resolveable: string, strict: boolean, guild: Guild): Promise<Channel | null>
 
     /**
      * Should resolve to a role abstraction
@@ -41,7 +41,7 @@ interface IResolver <User, Member, Channel, Role, Guild> {
      * @return {Role}  {Role}
      * @memberof IResolver
      */
-    resolveRole(resolveable: string, strict?: boolean, guild?: Guild): Promise<Role | null>
+    resolveRole(resolveable: string, strict: boolean, guild: Guild): Promise<Role | null>
 
     /**
      * Should resolve to true when a truthy resolveable is passed, i.e. yes, true, on etc